84555320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 203212800

約数和(自身を除く): 118657480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 1567, 2698, 2840, 3134, 5396, 6268, 6745, 7835, 10792, 12536, 13490, 15670, 26980, 29773, 31340, 53960, 59546, 62680, 111257, 119092, 148865, 222514, 238184, 297730, 445028, 556285, 595460, 890056, 1112570, 1190920, 2113883, 2225140, 4227766, 4450280, 8455532, 10569415, 16911064, 21138830, 42277660, 84555320]

約数ペア:

[(1, 84555320), (2, 42277660), (4, 21138830), (5, 16911064), (8, 10569415), (10, 8455532), (19, 4450280), (20, 4227766), (38, 2225140), (40, 2113883), (71, 1190920), (76, 1112570), (95, 890056), (142, 595460), (152, 556285), (190, 445028), (284, 297730), (355, 238184), (380, 222514), (568, 148865), (710, 119092), (760, 111257), (1349, 62680), (1420, 59546), (1567, 53960), (2698, 31340), (2840, 29773), (3134, 26980), (5396, 15670), (6268, 13490), (6745, 12536), (7835, 10792)]