218778780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:125

約数の個数: 288

約数和(自身を含む): 752596992

約数和(自身を除く): 533818212

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 31, 33, 34, 37, 44, 51, 55, 60, 62, 66, 68, 74, 85, 93, 102, 110, 111, 124, 132, 148, 155, 165, 170, 185, 186, 187, 204, 220, 222, 255, 289, 310, 330, 340, 341, 370, 372, 374, 407, 444, 465, 510, 527, 555, 561, 578, 620, 629, 660, 682, 740, 748, 814, 867, 930, 935, 1020, 1023, 1054, 1110, 1122, 1147, 1156, 1221, 1258, 1364, 1445, 1581, 1628, 1705, 1734, 1860, 1870, 1887, 2035, 2046, 2108, 2220, 2244, 2294, 2442, 2516, 2635, 2805, 2890, 3145, 3162, 3179, 3410, 3441, 3468, 3740, 3774, 4070, 4092, 4335, 4588, 4884, 5115, 5270, 5610, 5735, 5780, 5797, 6105, 6290, 6324, 6358, 6820, 6882, 6919, 7548, 7905, 8140, 8670, 8959, 9435, 9537, 10230, 10540, 10693, 11220, 11470, 11594, 12210, 12580, 12617, 12716, 13764, 13838, 15810, 15895, 17205, 17340, 17391, 17918, 18870, 19074, 19499, 20460, 20757, 21386, 22940, 23188, 24420, 25234, 26877, 27676, 28985, 31620, 31790, 32079, 34410, 34595, 34782, 35836, 37740, 37851, 38148, 38998, 41514, 42772, 44795, 47685, 50468, 53465, 53754, 57970, 58497, 63085, 63580, 64158, 68820, 69190, 69564, 75702, 77996, 83028, 86955, 89590, 95370, 97495, 98549, 103785, 106930, 107508, 115940, 116994, 117623, 126170, 128316, 134385, 138380, 151404, 160395, 173910, 179180, 189255, 190740, 194990, 197098, 207570, 213860, 214489, 233988, 235246, 252340, 268770, 292485, 295647, 320790, 331483, 347820, 352869, 378510, 389980, 394196, 415140, 428978, 470492, 492745, 537540, 584970, 588115, 591294, 641580, 643467, 662966, 705738, 757020, 857956, 985490, 994449, 1072445, 1169940, 1176230, 1182588, 1286934, 1325932, 1411476, 1478235, 1657415, 1764345, 1970980, 1988898, 2144890, 2352460, 2573868, 2956470, 3217335, 3314830, 3528690, 3646313, 3977796, 4289780, 4972245, 5912940, 6434670, 6629660, 7057380, 7292626, 9944490, 10938939, 12869340, 14585252, 18231565, 19888980, 21877878, 36463130, 43755756, 54694695, 72926260, 109389390, 218778780]

約数ペア:

[(1, 218778780), (2, 109389390), (3, 72926260), (4, 54694695), (5, 43755756), (6, 36463130), (10, 21877878), (11, 19888980), (12, 18231565), (15, 14585252), (17, 12869340), (20, 10938939), (22, 9944490), (30, 7292626), (31, 7057380), (33, 6629660), (34, 6434670), (37, 5912940), (44, 4972245), (51, 4289780), (55, 3977796), (60, 3646313), (62, 3528690), (66, 3314830), (68, 3217335), (74, 2956470), (85, 2573868), (93, 2352460), (102, 2144890), (110, 1988898), (111, 1970980), (124, 1764345), (132, 1657415), (148, 1478235), (155, 1411476), (165, 1325932), (170, 1286934), (185, 1182588), (186, 1176230), (187, 1169940), (204, 1072445), (220, 994449), (222, 985490), (255, 857956), (289, 757020), (310, 705738), (330, 662966), (340, 643467), (341, 641580), (370, 591294), (372, 588115), (374, 584970), (407, 537540), (444, 492745), (465, 470492), (510, 428978), (527, 415140), (555, 394196), (561, 389980), (578, 378510), (620, 352869), (629, 347820), (660, 331483), (682, 320790), (740, 295647), (748, 292485), (814, 268770), (867, 252340), (930, 235246), (935, 233988), (1020, 214489), (1023, 213860), (1054, 207570), (1110, 197098), (1122, 194990), (1147, 190740), (1156, 189255), (1221, 179180), (1258, 173910), (1364, 160395), (1445, 151404), (1581, 138380), (1628, 134385), (1705, 128316), (1734, 126170), (1860, 117623), (1870, 116994), (1887, 115940), (2035, 107508), (2046, 106930), (2108, 103785), (2220, 98549), (2244, 97495), (2294, 95370), (2442, 89590), (2516, 86955), (2635, 83028), (2805, 77996), (2890, 75702), (3145, 69564), (3162, 69190), (3179, 68820), (3410, 64158), (3441, 63580), (3468, 63085), (3740, 58497), (3774, 57970), (4070, 53754), (4092, 53465), (4335, 50468), (4588, 47685), (4884, 44795), (5115, 42772), (5270, 41514), (5610, 38998), (5735, 38148), (5780, 37851), (5797, 37740), (6105, 35836), (6290, 34782), (6324, 34595), (6358, 34410), (6820, 32079), (6882, 31790), (6919, 31620), (7548, 28985), (7905, 27676), (8140, 26877), (8670, 25234), (8959, 24420), (9435, 23188), (9537, 22940), (10230, 21386), (10540, 20757), (10693, 20460), (11220, 19499), (11470, 19074), (11594, 18870), (12210, 17918), (12580, 17391), (12617, 17340), (12716, 17205), (13764, 15895), (13838, 15810)]