247168740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:291

約数の個数: 288

約数和(自身を含む): 900910080

約数和(自身を除く): 653741340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 29, 30, 35, 39, 42, 49, 52, 58, 60, 65, 70, 78, 84, 87, 91, 98, 105, 116, 130, 140, 145, 147, 156, 174, 182, 195, 196, 203, 210, 223, 245, 260, 273, 290, 294, 348, 364, 377, 390, 406, 420, 435, 446, 455, 490, 546, 580, 588, 609, 637, 669, 735, 754, 780, 812, 870, 892, 910, 980, 1015, 1092, 1115, 1131, 1218, 1274, 1338, 1365, 1421, 1470, 1508, 1561, 1740, 1820, 1885, 1911, 2030, 2230, 2262, 2436, 2548, 2639, 2676, 2730, 2842, 2899, 2940, 3045, 3122, 3185, 3345, 3770, 3822, 4060, 4263, 4460, 4524, 4683, 5278, 5460, 5655, 5684, 5798, 6090, 6244, 6370, 6467, 6690, 7105, 7540, 7644, 7805, 7917, 8526, 8697, 9366, 9555, 10556, 10927, 11310, 11596, 12180, 12740, 12934, 13195, 13380, 14210, 14495, 15610, 15834, 17052, 17394, 18473, 18732, 19110, 19401, 20293, 21315, 21854, 22620, 23415, 25868, 26390, 28420, 28990, 31220, 31668, 32335, 32781, 34788, 36946, 38220, 38802, 39585, 40586, 42630, 43485, 43708, 45269, 46830, 52780, 54635, 55419, 57980, 60879, 64670, 65562, 73892, 77604, 79170, 81172, 84071, 85260, 86970, 90538, 92365, 93660, 97005, 101465, 109270, 110838, 121758, 129340, 131124, 135807, 142051, 158340, 163905, 168142, 173940, 181076, 184730, 194010, 202930, 218540, 221676, 226345, 243516, 252213, 271614, 277095, 284102, 304395, 316883, 327810, 336284, 369460, 388020, 405860, 420355, 426153, 452690, 504426, 543228, 554190, 568204, 588497, 608790, 633766, 655620, 679035, 710255, 840710, 852306, 905380, 950649, 1008852, 1108380, 1176994, 1217580, 1261065, 1267532, 1358070, 1420510, 1584415, 1681420, 1704612, 1765491, 1901298, 2130765, 2353988, 2522130, 2716140, 2841020, 2942485, 3168830, 3530982, 3802596, 4119479, 4261530, 4753245, 5044260, 5884970, 6337660, 7061964, 8238958, 8523060, 8827455, 9506490, 11769940, 12358437, 16477916, 17654910, 19012980, 20597395, 24716874, 35309820, 41194790, 49433748, 61792185, 82389580, 123584370, 247168740]

約数ペア:

[(1, 247168740), (2, 123584370), (3, 82389580), (4, 61792185), (5, 49433748), (6, 41194790), (7, 35309820), (10, 24716874), (12, 20597395), (13, 19012980), (14, 17654910), (15, 16477916), (20, 12358437), (21, 11769940), (26, 9506490), (28, 8827455), (29, 8523060), (30, 8238958), (35, 7061964), (39, 6337660), (42, 5884970), (49, 5044260), (52, 4753245), (58, 4261530), (60, 4119479), (65, 3802596), (70, 3530982), (78, 3168830), (84, 2942485), (87, 2841020), (91, 2716140), (98, 2522130), (105, 2353988), (116, 2130765), (130, 1901298), (140, 1765491), (145, 1704612), (147, 1681420), (156, 1584415), (174, 1420510), (182, 1358070), (195, 1267532), (196, 1261065), (203, 1217580), (210, 1176994), (223, 1108380), (245, 1008852), (260, 950649), (273, 905380), (290, 852306), (294, 840710), (348, 710255), (364, 679035), (377, 655620), (390, 633766), (406, 608790), (420, 588497), (435, 568204), (446, 554190), (455, 543228), (490, 504426), (546, 452690), (580, 426153), (588, 420355), (609, 405860), (637, 388020), (669, 369460), (735, 336284), (754, 327810), (780, 316883), (812, 304395), (870, 284102), (892, 277095), (910, 271614), (980, 252213), (1015, 243516), (1092, 226345), (1115, 221676), (1131, 218540), (1218, 202930), (1274, 194010), (1338, 184730), (1365, 181076), (1421, 173940), (1470, 168142), (1508, 163905), (1561, 158340), (1740, 142051), (1820, 135807), (1885, 131124), (1911, 129340), (2030, 121758), (2230, 110838), (2262, 109270), (2436, 101465), (2548, 97005), (2639, 93660), (2676, 92365), (2730, 90538), (2842, 86970), (2899, 85260), (2940, 84071), (3045, 81172), (3122, 79170), (3185, 77604), (3345, 73892), (3770, 65562), (3822, 64670), (4060, 60879), (4263, 57980), (4460, 55419), (4524, 54635), (4683, 52780), (5278, 46830), (5460, 45269), (5655, 43708), (5684, 43485), (5798, 42630), (6090, 40586), (6244, 39585), (6370, 38802), (6467, 38220), (6690, 36946), (7105, 34788), (7540, 32781), (7644, 32335), (7805, 31668), (7917, 31220), (8526, 28990), (8697, 28420), (9366, 26390), (9555, 25868), (10556, 23415), (10927, 22620), (11310, 21854), (11596, 21315), (12180, 20293), (12740, 19401), (12934, 19110), (13195, 18732), (13380, 18473), (14210, 17394), (14495, 17052), (15610, 15834)]