1720878040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{51647}}^1$

素因数の和:51689

約数の個数: 96

約数和(自身を含む): 4769176320

約数和(自身を除く): 3048298280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 392, 476, 490, 595, 680, 833, 952, 980, 1190, 1666, 1960, 2380, 3332, 4165, 4760, 6664, 8330, 16660, 33320, 51647, 103294, 206588, 258235, 361529, 413176, 516470, 723058, 877999, 1032940, 1446116, 1755998, 1807645, 2065880, 2530703, 2892232, 3511996, 3615290, 4389995, 5061406, 6145993, 7023992, 7230580, 8779990, 10122812, 12291986, 12653515, 14461160, 17559980, 20245624, 24583972, 25307030, 30729965, 35119960, 43021951, 49167944, 50614060, 61459930, 86043902, 101228120, 122919860, 172087804, 215109755, 245839720, 344175608, 430219510, 860439020, 1720878040]

約数ペア:

[(1, 1720878040), (2, 860439020), (4, 430219510), (5, 344175608), (7, 245839720), (8, 215109755), (10, 172087804), (14, 122919860), (17, 101228120), (20, 86043902), (28, 61459930), (34, 50614060), (35, 49167944), (40, 43021951), (49, 35119960), (56, 30729965), (68, 25307030), (70, 24583972), (85, 20245624), (98, 17559980), (119, 14461160), (136, 12653515), (140, 12291986), (170, 10122812), (196, 8779990), (238, 7230580), (245, 7023992), (280, 6145993), (340, 5061406), (392, 4389995), (476, 3615290), (490, 3511996), (595, 2892232), (680, 2530703), (833, 2065880), (952, 1807645), (980, 1755998), (1190, 1446116), (1666, 1032940), (1960, 877999), (2380, 723058), (3332, 516470), (4165, 413176), (4760, 361529), (6664, 258235), (8330, 206588), (16660, 103294), (33320, 51647)]