40170420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 131668992

約数和(自身を除く): 91498572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 313, 345, 372, 414, 460, 465, 558, 620, 626, 690, 713, 828, 930, 939, 1035, 1116, 1252, 1380, 1395, 1426, 1565, 1860, 1878, 2070, 2139, 2790, 2817, 2852, 3130, 3565, 3756, 4140, 4278, 4695, 5580, 5634, 6260, 6417, 7130, 7199, 8556, 9390, 9703, 10695, 11268, 12834, 14085, 14260, 14398, 18780, 19406, 21390, 21597, 25668, 28170, 28796, 29109, 32085, 35995, 38812, 42780, 43194, 48515, 56340, 58218, 64170, 64791, 71990, 86388, 87327, 97030, 107985, 116436, 128340, 129582, 143980, 145545, 174654, 194060, 215970, 223169, 259164, 291090, 323955, 349308, 431940, 436635, 446338, 582180, 647910, 669507, 873270, 892676, 1115845, 1295820, 1339014, 1746540, 2008521, 2231690, 2678028, 3347535, 4017042, 4463380, 6695070, 8034084, 10042605, 13390140, 20085210, 40170420]

約数ペア:

[(1, 40170420), (2, 20085210), (3, 13390140), (4, 10042605), (5, 8034084), (6, 6695070), (9, 4463380), (10, 4017042), (12, 3347535), (15, 2678028), (18, 2231690), (20, 2008521), (23, 1746540), (30, 1339014), (31, 1295820), (36, 1115845), (45, 892676), (46, 873270), (60, 669507), (62, 647910), (69, 582180), (90, 446338), (92, 436635), (93, 431940), (115, 349308), (124, 323955), (138, 291090), (155, 259164), (180, 223169), (186, 215970), (207, 194060), (230, 174654), (276, 145545), (279, 143980), (310, 129582), (313, 128340), (345, 116436), (372, 107985), (414, 97030), (460, 87327), (465, 86388), (558, 71990), (620, 64791), (626, 64170), (690, 58218), (713, 56340), (828, 48515), (930, 43194), (939, 42780), (1035, 38812), (1116, 35995), (1252, 32085), (1380, 29109), (1395, 28796), (1426, 28170), (1565, 25668), (1860, 21597), (1878, 21390), (2070, 19406), (2139, 18780), (2790, 14398), (2817, 14260), (2852, 14085), (3130, 12834), (3565, 11268), (3756, 10695), (4140, 9703), (4278, 9390), (4695, 8556), (5580, 7199), (5634, 7130), (6260, 6417)]