724358440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1331

約数の個数: 128

約数和(自身を含む): 1887701760

約数和(自身を除く): 1163343320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 67, 68, 85, 104, 130, 134, 136, 170, 221, 260, 268, 335, 340, 442, 520, 536, 670, 680, 871, 884, 1105, 1139, 1223, 1340, 1742, 1768, 2210, 2278, 2446, 2680, 3484, 4355, 4420, 4556, 4892, 5695, 6115, 6968, 8710, 8840, 9112, 9784, 11390, 12230, 14807, 15899, 17420, 20791, 22780, 24460, 29614, 31798, 34840, 41582, 45560, 48920, 59228, 63596, 74035, 79495, 81941, 83164, 103955, 118456, 127192, 148070, 158990, 163882, 166328, 207910, 270283, 296140, 317980, 327764, 409705, 415820, 540566, 592280, 635960, 655528, 819410, 831640, 1065233, 1081132, 1351415, 1392997, 1638820, 2130466, 2162264, 2702830, 2785994, 3277640, 4260932, 5326165, 5405660, 5571988, 6964985, 8521864, 10652330, 10811320, 11143976, 13929970, 18108961, 21304660, 27859940, 36217922, 42609320, 55719880, 72435844, 90544805, 144871688, 181089610, 362179220, 724358440]

約数ペア:

[(1, 724358440), (2, 362179220), (4, 181089610), (5, 144871688), (8, 90544805), (10, 72435844), (13, 55719880), (17, 42609320), (20, 36217922), (26, 27859940), (34, 21304660), (40, 18108961), (52, 13929970), (65, 11143976), (67, 10811320), (68, 10652330), (85, 8521864), (104, 6964985), (130, 5571988), (134, 5405660), (136, 5326165), (170, 4260932), (221, 3277640), (260, 2785994), (268, 2702830), (335, 2162264), (340, 2130466), (442, 1638820), (520, 1392997), (536, 1351415), (670, 1081132), (680, 1065233), (871, 831640), (884, 819410), (1105, 655528), (1139, 635960), (1223, 592280), (1340, 540566), (1742, 415820), (1768, 409705), (2210, 327764), (2278, 317980), (2446, 296140), (2680, 270283), (3484, 207910), (4355, 166328), (4420, 163882), (4556, 158990), (4892, 148070), (5695, 127192), (6115, 118456), (6968, 103955), (8710, 83164), (8840, 81941), (9112, 79495), (9784, 74035), (11390, 63596), (12230, 59228), (14807, 48920), (15899, 45560), (17420, 41582), (20791, 34840), (22780, 31798), (24460, 29614)]