164804920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9649}}^1$

素因数の和:9728

約数の個数: 64

約数和(自身を含む): 430776000

約数和(自身を除く): 265971080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 9649, 17080, 19298, 38596, 48245, 67543, 77192, 96490, 135086, 192980, 270172, 337715, 385960, 540344, 588589, 675430, 1177178, 1350860, 2354356, 2701720, 2942945, 4120123, 4708712, 5885890, 8240246, 11771780, 16480492, 20600615, 23543560, 32960984, 41201230, 82402460, 164804920]

約数ペア:

[(1, 164804920), (2, 82402460), (4, 41201230), (5, 32960984), (7, 23543560), (8, 20600615), (10, 16480492), (14, 11771780), (20, 8240246), (28, 5885890), (35, 4708712), (40, 4120123), (56, 2942945), (61, 2701720), (70, 2354356), (122, 1350860), (140, 1177178), (244, 675430), (280, 588589), (305, 540344), (427, 385960), (488, 337715), (610, 270172), (854, 192980), (1220, 135086), (1708, 96490), (2135, 77192), (2440, 67543), (3416, 48245), (4270, 38596), (8540, 19298), (9649, 17080)]