20123678190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{4919}}^1$

素因数の和:4988

約数の個数: 288

約数和(自身を含む): 64451842560

約数和(自身を除く): 44328164370

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 23, 30, 33, 35, 42, 46, 49, 55, 66, 69, 70, 77, 98, 105, 110, 115, 121, 138, 147, 154, 161, 165, 210, 230, 231, 242, 245, 253, 294, 322, 330, 345, 363, 385, 462, 483, 490, 506, 539, 605, 690, 726, 735, 759, 770, 805, 847, 966, 1078, 1127, 1155, 1210, 1265, 1470, 1518, 1610, 1617, 1694, 1771, 1815, 2254, 2310, 2415, 2530, 2541, 2695, 2783, 3234, 3381, 3542, 3630, 3795, 4235, 4830, 4919, 5082, 5313, 5390, 5566, 5635, 5929, 6762, 7590, 8085, 8349, 8470, 8855, 9838, 10626, 11270, 11858, 12397, 12705, 13915, 14757, 16170, 16698, 16905, 17710, 17787, 19481, 24595, 24794, 25410, 26565, 27830, 29514, 29645, 33810, 34433, 35574, 37191, 38962, 41745, 49190, 53130, 54109, 58443, 59290, 61985, 68866, 73785, 74382, 83490, 88935, 97405, 103299, 108218, 113137, 116886, 123970, 136367, 147570, 162327, 172165, 177870, 185955, 194810, 206598, 226274, 241031, 270545, 272734, 292215, 324654, 339411, 344330, 371910, 378763, 409101, 482062, 516495, 541090, 565685, 584430, 595199, 678822, 681835, 723093, 757526, 791959, 811635, 818202, 1032990, 1131370, 1136289, 1190398, 1205155, 1244507, 1363670, 1446186, 1583918, 1623270, 1697055, 1785597, 1893815, 2045505, 2272578, 2375877, 2410310, 2489014, 2651341, 2975995, 3394110, 3571194, 3615465, 3733521, 3787630, 3959795, 4091010, 4166393, 4751754, 5302682, 5543713, 5681445, 5951990, 6222535, 7230930, 7467042, 7919590, 7954023, 8332786, 8711549, 8927985, 11087426, 11362890, 11879385, 12445070, 12499179, 13256705, 13689577, 15908046, 16631139, 17423098, 17855970, 18667605, 20831965, 23758770, 24998358, 26134647, 26513410, 27379154, 27718565, 29164751, 33262278, 37335210, 39770115, 41068731, 41663930, 43557745, 52269294, 55437130, 58329502, 60980843, 62495895, 68447885, 79540230, 82137462, 83155695, 87115490, 87494253, 95827039, 121961686, 124991790, 130673235, 136895770, 145823755, 166311390, 174988506, 182942529, 191654078, 205343655, 261346470, 287481117, 291647510, 304904215, 365885058, 410687310, 437471265, 479135195, 574962234, 609808430, 670789273, 874942530, 914712645, 958270390, 1341578546, 1437405585, 1829425290, 2012367819, 2874811170, 3353946365, 4024735638, 6707892730, 10061839095, 20123678190]

約数ペア:

[(1, 20123678190), (2, 10061839095), (3, 6707892730), (5, 4024735638), (6, 3353946365), (7, 2874811170), (10, 2012367819), (11, 1829425290), (14, 1437405585), (15, 1341578546), (21, 958270390), (22, 914712645), (23, 874942530), (30, 670789273), (33, 609808430), (35, 574962234), (42, 479135195), (46, 437471265), (49, 410687310), (55, 365885058), (66, 304904215), (69, 291647510), (70, 287481117), (77, 261346470), (98, 205343655), (105, 191654078), (110, 182942529), (115, 174988506), (121, 166311390), (138, 145823755), (147, 136895770), (154, 130673235), (161, 124991790), (165, 121961686), (210, 95827039), (230, 87494253), (231, 87115490), (242, 83155695), (245, 82137462), (253, 79540230), (294, 68447885), (322, 62495895), (330, 60980843), (345, 58329502), (363, 55437130), (385, 52269294), (462, 43557745), (483, 41663930), (490, 41068731), (506, 39770115), (539, 37335210), (605, 33262278), (690, 29164751), (726, 27718565), (735, 27379154), (759, 26513410), (770, 26134647), (805, 24998358), (847, 23758770), (966, 20831965), (1078, 18667605), (1127, 17855970), (1155, 17423098), (1210, 16631139), (1265, 15908046), (1470, 13689577), (1518, 13256705), (1610, 12499179), (1617, 12445070), (1694, 11879385), (1771, 11362890), (1815, 11087426), (2254, 8927985), (2310, 8711549), (2415, 8332786), (2530, 7954023), (2541, 7919590), (2695, 7467042), (2783, 7230930), (3234, 6222535), (3381, 5951990), (3542, 5681445), (3630, 5543713), (3795, 5302682), (4235, 4751754), (4830, 4166393), (4919, 4091010), (5082, 3959795), (5313, 3787630), (5390, 3733521), (5566, 3615465), (5635, 3571194), (5929, 3394110), (6762, 2975995), (7590, 2651341), (8085, 2489014), (8349, 2410310), (8470, 2375877), (8855, 2272578), (9838, 2045505), (10626, 1893815), (11270, 1785597), (11858, 1697055), (12397, 1623270), (12705, 1583918), (13915, 1446186), (14757, 1363670), (16170, 1244507), (16698, 1205155), (16905, 1190398), (17710, 1136289), (17787, 1131370), (19481, 1032990), (24595, 818202), (24794, 811635), (25410, 791959), (26565, 757526), (27830, 723093), (29514, 681835), (29645, 678822), (33810, 595199), (34433, 584430), (35574, 565685), (37191, 541090), (38962, 516495), (41745, 482062), (49190, 409101), (53130, 378763), (54109, 371910), (58443, 344330), (59290, 339411), (61985, 324654), (68866, 292215), (73785, 272734), (74382, 270545), (83490, 241031), (88935, 226274), (97405, 206598), (103299, 194810), (108218, 185955), (113137, 177870), (116886, 172165), (123970, 162327), (136367, 147570)]