80272640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 216

約数和(自身を含む): 240963072

約数和(自身を除く): 160690432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 64, 68, 70, 80, 85, 112, 119, 124, 128, 136, 140, 155, 160, 170, 217, 224, 238, 248, 256, 272, 280, 289, 310, 320, 340, 434, 448, 476, 496, 527, 544, 560, 578, 595, 620, 640, 680, 868, 896, 952, 992, 1054, 1085, 1088, 1120, 1156, 1190, 1240, 1280, 1360, 1445, 1736, 1792, 1904, 1984, 2023, 2108, 2170, 2176, 2240, 2312, 2380, 2480, 2635, 2720, 2890, 3472, 3689, 3808, 3968, 4046, 4216, 4340, 4352, 4480, 4624, 4760, 4960, 5270, 5440, 5780, 6944, 7378, 7616, 7936, 8092, 8432, 8680, 8959, 8960, 9248, 9520, 9920, 10115, 10540, 10880, 11560, 13888, 14756, 15232, 16184, 16864, 17360, 17918, 18445, 18496, 19040, 19840, 20230, 21080, 21760, 23120, 27776, 29512, 30464, 32368, 33728, 34720, 35836, 36890, 36992, 38080, 39680, 40460, 42160, 44795, 46240, 55552, 59024, 62713, 64736, 67456, 69440, 71672, 73780, 73984, 76160, 80920, 84320, 89590, 92480, 118048, 125426, 129472, 134912, 138880, 143344, 147560, 152320, 161840, 168640, 179180, 184960, 236096, 250852, 258944, 277760, 286688, 295120, 313565, 323680, 337280, 358360, 369920, 472192, 501704, 517888, 573376, 590240, 627130, 647360, 674560, 716720, 944384, 1003408, 1146752, 1180480, 1254260, 1294720, 1433440, 2006816, 2293504, 2360960, 2508520, 2589440, 2866880, 4013632, 4721920, 5017040, 5733760, 8027264, 10034080, 11467520, 16054528, 20068160, 40136320, 80272640]

約数ペア:

[(1, 80272640), (2, 40136320), (4, 20068160), (5, 16054528), (7, 11467520), (8, 10034080), (10, 8027264), (14, 5733760), (16, 5017040), (17, 4721920), (20, 4013632), (28, 2866880), (31, 2589440), (32, 2508520), (34, 2360960), (35, 2293504), (40, 2006816), (56, 1433440), (62, 1294720), (64, 1254260), (68, 1180480), (70, 1146752), (80, 1003408), (85, 944384), (112, 716720), (119, 674560), (124, 647360), (128, 627130), (136, 590240), (140, 573376), (155, 517888), (160, 501704), (170, 472192), (217, 369920), (224, 358360), (238, 337280), (248, 323680), (256, 313565), (272, 295120), (280, 286688), (289, 277760), (310, 258944), (320, 250852), (340, 236096), (434, 184960), (448, 179180), (476, 168640), (496, 161840), (527, 152320), (544, 147560), (560, 143344), (578, 138880), (595, 134912), (620, 129472), (640, 125426), (680, 118048), (868, 92480), (896, 89590), (952, 84320), (992, 80920), (1054, 76160), (1085, 73984), (1088, 73780), (1120, 71672), (1156, 69440), (1190, 67456), (1240, 64736), (1280, 62713), (1360, 59024), (1445, 55552), (1736, 46240), (1792, 44795), (1904, 42160), (1984, 40460), (2023, 39680), (2108, 38080), (2170, 36992), (2176, 36890), (2240, 35836), (2312, 34720), (2380, 33728), (2480, 32368), (2635, 30464), (2720, 29512), (2890, 27776), (3472, 23120), (3689, 21760), (3808, 21080), (3968, 20230), (4046, 19840), (4216, 19040), (4340, 18496), (4352, 18445), (4480, 17918), (4624, 17360), (4760, 16864), (4960, 16184), (5270, 15232), (5440, 14756), (5780, 13888), (6944, 11560), (7378, 10880), (7616, 10540), (7936, 10115), (8092, 9920), (8432, 9520), (8680, 9248), (8959, 8960)]