251462640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 320

約数和(自身を含む): 971937792

約数和(自身を除く): 720475152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 17, 20, 22, 24, 26, 30, 33, 34, 39, 40, 44, 48, 51, 52, 55, 60, 65, 66, 68, 78, 80, 85, 88, 102, 104, 110, 120, 130, 132, 136, 143, 156, 165, 170, 176, 187, 195, 204, 208, 220, 221, 240, 255, 260, 264, 272, 286, 312, 330, 340, 374, 390, 408, 429, 431, 440, 442, 510, 520, 528, 561, 572, 624, 660, 663, 680, 715, 748, 780, 816, 858, 862, 880, 884, 935, 1020, 1040, 1105, 1122, 1144, 1293, 1320, 1326, 1360, 1430, 1496, 1560, 1716, 1724, 1768, 1870, 2040, 2145, 2155, 2210, 2244, 2288, 2431, 2586, 2640, 2652, 2805, 2860, 2992, 3120, 3315, 3432, 3448, 3536, 3740, 4080, 4290, 4310, 4420, 4488, 4741, 4862, 5172, 5304, 5603, 5610, 5720, 6465, 6630, 6864, 6896, 7293, 7327, 7480, 8580, 8620, 8840, 8976, 9482, 9724, 10344, 10608, 11206, 11220, 11440, 12155, 12930, 13260, 14223, 14586, 14654, 14960, 16809, 17160, 17240, 17680, 18964, 19448, 20688, 21981, 22412, 22440, 23705, 24310, 25860, 26520, 28015, 28446, 29172, 29308, 33618, 34320, 34480, 36465, 36635, 37928, 38896, 43962, 44824, 44880, 47410, 48620, 51720, 53040, 56030, 56892, 58344, 58616, 61633, 67236, 71115, 72930, 73270, 75856, 80597, 84045, 87924, 89648, 94820, 95251, 97240, 103440, 109905, 112060, 113784, 116688, 117232, 123266, 134472, 142230, 145860, 146540, 161194, 168090, 175848, 184899, 189640, 190502, 194480, 219810, 224120, 227568, 241791, 246532, 268944, 284460, 285753, 291720, 293080, 308165, 322388, 336180, 351696, 369798, 379280, 381004, 402985, 439620, 448240, 476255, 483582, 493064, 568920, 571506, 583440, 586160, 616330, 644776, 672360, 739596, 762008, 805970, 879240, 924495, 952510, 967164, 986128, 1047761, 1137840, 1143012, 1208955, 1232660, 1289552, 1344720, 1428765, 1479192, 1524016, 1611940, 1758480, 1848990, 1905020, 1934328, 2095522, 2286024, 2417910, 2465320, 2857530, 2958384, 3143283, 3223880, 3697980, 3810040, 3868656, 4191044, 4572048, 4835820, 4930640, 5238805, 5715060, 6286566, 6447760, 7395960, 7620080, 8382088, 9671640, 10477610, 11430120, 12573132, 14791920, 15716415, 16764176, 19343280, 20955220, 22860240, 25146264, 31432830, 41910440, 50292528, 62865660, 83820880, 125731320, 251462640]

約数ペア:

[(1, 251462640), (2, 125731320), (3, 83820880), (4, 62865660), (5, 50292528), (6, 41910440), (8, 31432830), (10, 25146264), (11, 22860240), (12, 20955220), (13, 19343280), (15, 16764176), (16, 15716415), (17, 14791920), (20, 12573132), (22, 11430120), (24, 10477610), (26, 9671640), (30, 8382088), (33, 7620080), (34, 7395960), (39, 6447760), (40, 6286566), (44, 5715060), (48, 5238805), (51, 4930640), (52, 4835820), (55, 4572048), (60, 4191044), (65, 3868656), (66, 3810040), (68, 3697980), (78, 3223880), (80, 3143283), (85, 2958384), (88, 2857530), (102, 2465320), (104, 2417910), (110, 2286024), (120, 2095522), (130, 1934328), (132, 1905020), (136, 1848990), (143, 1758480), (156, 1611940), (165, 1524016), (170, 1479192), (176, 1428765), (187, 1344720), (195, 1289552), (204, 1232660), (208, 1208955), (220, 1143012), (221, 1137840), (240, 1047761), (255, 986128), (260, 967164), (264, 952510), (272, 924495), (286, 879240), (312, 805970), (330, 762008), (340, 739596), (374, 672360), (390, 644776), (408, 616330), (429, 586160), (431, 583440), (440, 571506), (442, 568920), (510, 493064), (520, 483582), (528, 476255), (561, 448240), (572, 439620), (624, 402985), (660, 381004), (663, 379280), (680, 369798), (715, 351696), (748, 336180), (780, 322388), (816, 308165), (858, 293080), (862, 291720), (880, 285753), (884, 284460), (935, 268944), (1020, 246532), (1040, 241791), (1105, 227568), (1122, 224120), (1144, 219810), (1293, 194480), (1320, 190502), (1326, 189640), (1360, 184899), (1430, 175848), (1496, 168090), (1560, 161194), (1716, 146540), (1724, 145860), (1768, 142230), (1870, 134472), (2040, 123266), (2145, 117232), (2155, 116688), (2210, 113784), (2244, 112060), (2288, 109905), (2431, 103440), (2586, 97240), (2640, 95251), (2652, 94820), (2805, 89648), (2860, 87924), (2992, 84045), (3120, 80597), (3315, 75856), (3432, 73270), (3448, 72930), (3536, 71115), (3740, 67236), (4080, 61633), (4290, 58616), (4310, 58344), (4420, 56892), (4488, 56030), (4741, 53040), (4862, 51720), (5172, 48620), (5304, 47410), (5603, 44880), (5610, 44824), (5720, 43962), (6465, 38896), (6630, 37928), (6864, 36635), (6896, 36465), (7293, 34480), (7327, 34320), (7480, 33618), (8580, 29308), (8620, 29172), (8840, 28446), (8976, 28015), (9482, 26520), (9724, 25860), (10344, 24310), (10608, 23705), (11206, 22440), (11220, 22412), (11440, 21981), (12155, 20688), (12930, 19448), (13260, 18964), (14223, 17680), (14586, 17240), (14654, 17160), (14960, 16809)]