79456720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 160

約数和(自身を含む): 228556800

約数和(自身を除く): 149100080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 161, 184, 199, 217, 230, 248, 280, 310, 322, 368, 398, 434, 460, 496, 560, 620, 644, 713, 796, 805, 868, 920, 995, 1085, 1240, 1288, 1393, 1426, 1592, 1610, 1736, 1840, 1990, 2170, 2480, 2576, 2786, 2852, 3184, 3220, 3472, 3565, 3980, 4340, 4577, 4991, 5572, 5704, 6169, 6440, 6965, 7130, 7960, 8680, 9154, 9982, 11144, 11408, 12338, 12880, 13930, 14260, 15920, 17360, 18308, 19964, 22288, 22885, 24676, 24955, 27860, 28520, 30845, 32039, 36616, 39928, 43183, 45770, 49352, 49910, 55720, 57040, 61690, 64078, 73232, 79856, 86366, 91540, 98704, 99820, 111440, 123380, 128156, 141887, 160195, 172732, 183080, 199640, 215915, 246760, 256312, 283774, 320390, 345464, 366160, 399280, 431830, 493520, 512624, 567548, 640780, 690928, 709435, 863660, 993209, 1135096, 1281560, 1418870, 1727320, 1986418, 2270192, 2563120, 2837740, 3454640, 3972836, 4966045, 5675480, 7945672, 9932090, 11350960, 15891344, 19864180, 39728360, 79456720]

約数ペア:

[(1, 79456720), (2, 39728360), (4, 19864180), (5, 15891344), (7, 11350960), (8, 9932090), (10, 7945672), (14, 5675480), (16, 4966045), (20, 3972836), (23, 3454640), (28, 2837740), (31, 2563120), (35, 2270192), (40, 1986418), (46, 1727320), (56, 1418870), (62, 1281560), (70, 1135096), (80, 993209), (92, 863660), (112, 709435), (115, 690928), (124, 640780), (140, 567548), (155, 512624), (161, 493520), (184, 431830), (199, 399280), (217, 366160), (230, 345464), (248, 320390), (280, 283774), (310, 256312), (322, 246760), (368, 215915), (398, 199640), (434, 183080), (460, 172732), (496, 160195), (560, 141887), (620, 128156), (644, 123380), (713, 111440), (796, 99820), (805, 98704), (868, 91540), (920, 86366), (995, 79856), (1085, 73232), (1240, 64078), (1288, 61690), (1393, 57040), (1426, 55720), (1592, 49910), (1610, 49352), (1736, 45770), (1840, 43183), (1990, 39928), (2170, 36616), (2480, 32039), (2576, 30845), (2786, 28520), (2852, 27860), (3184, 24955), (3220, 24676), (3472, 22885), (3565, 22288), (3980, 19964), (4340, 18308), (4577, 17360), (4991, 15920), (5572, 14260), (5704, 13930), (6169, 12880), (6440, 12338), (6965, 11408), (7130, 11144), (7960, 9982), (8680, 9154)]