261949380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:151

約数の個数: 288

約数和(自身を含む): 960906240

約数和(自身を除く): 698956860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 31, 33, 35, 42, 44, 55, 59, 60, 62, 66, 70, 77, 84, 93, 105, 110, 118, 124, 132, 140, 154, 155, 165, 177, 186, 210, 217, 220, 231, 236, 295, 308, 310, 330, 341, 354, 372, 385, 413, 420, 434, 462, 465, 590, 620, 649, 651, 660, 682, 708, 770, 826, 868, 885, 924, 930, 961, 1023, 1085, 1155, 1180, 1239, 1298, 1302, 1364, 1540, 1652, 1705, 1770, 1829, 1860, 1922, 1947, 2046, 2065, 2170, 2310, 2387, 2478, 2596, 2604, 2883, 3245, 3255, 3410, 3540, 3658, 3844, 3894, 4092, 4130, 4340, 4543, 4620, 4774, 4805, 4956, 5115, 5487, 5766, 6195, 6490, 6510, 6727, 6820, 7161, 7316, 7788, 8260, 9086, 9145, 9548, 9610, 9735, 10230, 10571, 10974, 11532, 11935, 12390, 12803, 12980, 13020, 13454, 13629, 14322, 14415, 18172, 18290, 19220, 19470, 20119, 20181, 20460, 21142, 21948, 22715, 23870, 24780, 25606, 26908, 27258, 27435, 28644, 28830, 31713, 33635, 35805, 36580, 38409, 38940, 40238, 40362, 42284, 45430, 47740, 51212, 52855, 54516, 54870, 56699, 57660, 60357, 63426, 64015, 67270, 68145, 71610, 73997, 76818, 80476, 80724, 90860, 100595, 100905, 105710, 109740, 113398, 120714, 126852, 128030, 134540, 136290, 140833, 143220, 147994, 153636, 158565, 170097, 192045, 201190, 201810, 211420, 221991, 226796, 241428, 256060, 272580, 281666, 283495, 295988, 301785, 317130, 340194, 369985, 384090, 396893, 402380, 403620, 422499, 443982, 563332, 566990, 603570, 623689, 634260, 680388, 704165, 739970, 768180, 793786, 844998, 850485, 887964, 1109955, 1133980, 1190679, 1207140, 1247378, 1408330, 1479940, 1587572, 1689996, 1700970, 1871067, 1984465, 2112495, 2219910, 2381358, 2494756, 2816660, 3118445, 3401940, 3742134, 3968930, 4224990, 4365823, 4439820, 4762716, 5953395, 6236890, 7484268, 7937860, 8449980, 8731646, 9355335, 11906790, 12473780, 13097469, 17463292, 18710670, 21829115, 23813580, 26194938, 37421340, 43658230, 52389876, 65487345, 87316460, 130974690, 261949380]

約数ペア:

[(1, 261949380), (2, 130974690), (3, 87316460), (4, 65487345), (5, 52389876), (6, 43658230), (7, 37421340), (10, 26194938), (11, 23813580), (12, 21829115), (14, 18710670), (15, 17463292), (20, 13097469), (21, 12473780), (22, 11906790), (28, 9355335), (30, 8731646), (31, 8449980), (33, 7937860), (35, 7484268), (42, 6236890), (44, 5953395), (55, 4762716), (59, 4439820), (60, 4365823), (62, 4224990), (66, 3968930), (70, 3742134), (77, 3401940), (84, 3118445), (93, 2816660), (105, 2494756), (110, 2381358), (118, 2219910), (124, 2112495), (132, 1984465), (140, 1871067), (154, 1700970), (155, 1689996), (165, 1587572), (177, 1479940), (186, 1408330), (210, 1247378), (217, 1207140), (220, 1190679), (231, 1133980), (236, 1109955), (295, 887964), (308, 850485), (310, 844998), (330, 793786), (341, 768180), (354, 739970), (372, 704165), (385, 680388), (413, 634260), (420, 623689), (434, 603570), (462, 566990), (465, 563332), (590, 443982), (620, 422499), (649, 403620), (651, 402380), (660, 396893), (682, 384090), (708, 369985), (770, 340194), (826, 317130), (868, 301785), (885, 295988), (924, 283495), (930, 281666), (961, 272580), (1023, 256060), (1085, 241428), (1155, 226796), (1180, 221991), (1239, 211420), (1298, 201810), (1302, 201190), (1364, 192045), (1540, 170097), (1652, 158565), (1705, 153636), (1770, 147994), (1829, 143220), (1860, 140833), (1922, 136290), (1947, 134540), (2046, 128030), (2065, 126852), (2170, 120714), (2310, 113398), (2387, 109740), (2478, 105710), (2596, 100905), (2604, 100595), (2883, 90860), (3245, 80724), (3255, 80476), (3410, 76818), (3540, 73997), (3658, 71610), (3844, 68145), (3894, 67270), (4092, 64015), (4130, 63426), (4340, 60357), (4543, 57660), (4620, 56699), (4774, 54870), (4805, 54516), (4956, 52855), (5115, 51212), (5487, 47740), (5766, 45430), (6195, 42284), (6490, 40362), (6510, 40238), (6727, 38940), (6820, 38409), (7161, 36580), (7316, 35805), (7788, 33635), (8260, 31713), (9086, 28830), (9145, 28644), (9548, 27435), (9610, 27258), (9735, 26908), (10230, 25606), (10571, 24780), (10974, 23870), (11532, 22715), (11935, 21948), (12390, 21142), (12803, 20460), (12980, 20181), (13020, 20119), (13454, 19470), (13629, 19220), (14322, 18290), (14415, 18172)]