1961615520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43943}}^1$

素因数の和:43995

約数の個数: 144

約数和(自身を含む): 6910106112

約数和(自身を除く): 4948490592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 7440, 8928, 11160, 14880, 22320, 43943, 44640, 87886, 131829, 175772, 219715, 263658, 351544, 395487, 439430, 527316, 659145, 703088, 790974, 878860, 1054632, 1318290, 1362233, 1406176, 1581948, 1757720, 1977435, 2109264, 2636580, 2724466, 3163896, 3515440, 3954870, 4086699, 4218528, 5273160, 5448932, 6327792, 6811165, 7030880, 7909740, 8173398, 10546320, 10897864, 12260097, 12655584, 13622330, 15819480, 16346796, 20433495, 21092640, 21795728, 24520194, 27244660, 31638960, 32693592, 40866990, 43591456, 49040388, 54489320, 61300485, 63277920, 65387184, 81733980, 98080776, 108978640, 122600970, 130774368, 163467960, 196161552, 217957280, 245201940, 326935920, 392323104, 490403880, 653871840, 980807760, 1961615520]

約数ペア:

[(1, 1961615520), (2, 980807760), (3, 653871840), (4, 490403880), (5, 392323104), (6, 326935920), (8, 245201940), (9, 217957280), (10, 196161552), (12, 163467960), (15, 130774368), (16, 122600970), (18, 108978640), (20, 98080776), (24, 81733980), (30, 65387184), (31, 63277920), (32, 61300485), (36, 54489320), (40, 49040388), (45, 43591456), (48, 40866990), (60, 32693592), (62, 31638960), (72, 27244660), (80, 24520194), (90, 21795728), (93, 21092640), (96, 20433495), (120, 16346796), (124, 15819480), (144, 13622330), (155, 12655584), (160, 12260097), (180, 10897864), (186, 10546320), (240, 8173398), (248, 7909740), (279, 7030880), (288, 6811165), (310, 6327792), (360, 5448932), (372, 5273160), (465, 4218528), (480, 4086699), (496, 3954870), (558, 3515440), (620, 3163896), (720, 2724466), (744, 2636580), (930, 2109264), (992, 1977435), (1116, 1757720), (1240, 1581948), (1395, 1406176), (1440, 1362233), (1488, 1318290), (1860, 1054632), (2232, 878860), (2480, 790974), (2790, 703088), (2976, 659145), (3720, 527316), (4464, 439430), (4960, 395487), (5580, 351544), (7440, 263658), (8928, 219715), (11160, 175772), (14880, 131829), (22320, 87886), (43943, 44640)]