4312720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 10856448

約数和(自身を除く): 6543728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 47, 62, 74, 80, 94, 124, 148, 155, 185, 188, 235, 248, 296, 310, 370, 376, 470, 496, 592, 620, 740, 752, 940, 1147, 1240, 1457, 1480, 1739, 1880, 2294, 2480, 2914, 2960, 3478, 3760, 4588, 5735, 5828, 6956, 7285, 8695, 9176, 11470, 11656, 13912, 14570, 17390, 18352, 22940, 23312, 27824, 29140, 34780, 45880, 53909, 58280, 69560, 91760, 107818, 116560, 139120, 215636, 269545, 431272, 539090, 862544, 1078180, 2156360, 4312720]

約数ペア:

[(1, 4312720), (2, 2156360), (4, 1078180), (5, 862544), (8, 539090), (10, 431272), (16, 269545), (20, 215636), (31, 139120), (37, 116560), (40, 107818), (47, 91760), (62, 69560), (74, 58280), (80, 53909), (94, 45880), (124, 34780), (148, 29140), (155, 27824), (185, 23312), (188, 22940), (235, 18352), (248, 17390), (296, 14570), (310, 13912), (370, 11656), (376, 11470), (470, 9176), (496, 8695), (592, 7285), (620, 6956), (740, 5828), (752, 5735), (940, 4588), (1147, 3760), (1240, 3478), (1457, 2960), (1480, 2914), (1739, 2480), (1880, 2294)]