855261840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{209623}}^1$

素因数の和:209656

約数の個数: 80

約数和(自身を含む): 2807284608

約数和(自身を除く): 1952022768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 209623, 419246, 628869, 838492, 1048115, 1257738, 1676984, 2096230, 2515476, 3144345, 3353968, 3563591, 4192460, 5030952, 6288690, 7127182, 8384920, 10061904, 10690773, 12577380, 14254364, 16769840, 17817955, 21381546, 25154760, 28508728, 35635910, 42763092, 50309520, 53453865, 57017456, 71271820, 85526184, 106907730, 142543640, 171052368, 213815460, 285087280, 427630920, 855261840]

約数ペア:

[(1, 855261840), (2, 427630920), (3, 285087280), (4, 213815460), (5, 171052368), (6, 142543640), (8, 106907730), (10, 85526184), (12, 71271820), (15, 57017456), (16, 53453865), (17, 50309520), (20, 42763092), (24, 35635910), (30, 28508728), (34, 25154760), (40, 21381546), (48, 17817955), (51, 16769840), (60, 14254364), (68, 12577380), (80, 10690773), (85, 10061904), (102, 8384920), (120, 7127182), (136, 6288690), (170, 5030952), (204, 4192460), (240, 3563591), (255, 3353968), (272, 3144345), (340, 2515476), (408, 2096230), (510, 1676984), (680, 1257738), (816, 1048115), (1020, 838492), (1360, 628869), (2040, 419246), (4080, 209623)]