65768980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 151990272

約数和(自身を除く): 86221292

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 47, 61, 62, 74, 94, 122, 124, 148, 155, 185, 188, 235, 244, 305, 310, 370, 470, 610, 620, 740, 940, 1147, 1220, 1457, 1739, 1891, 2257, 2294, 2867, 2914, 3478, 3782, 4514, 4588, 5734, 5735, 5828, 6956, 7285, 7564, 8695, 9028, 9455, 11285, 11468, 11470, 14335, 14570, 17390, 18910, 22570, 22940, 28670, 29140, 34780, 37820, 45140, 53909, 57340, 69967, 88877, 106079, 107818, 139934, 177754, 212158, 215636, 269545, 279868, 349835, 355508, 424316, 444385, 530395, 539090, 699670, 888770, 1060790, 1078180, 1399340, 1777540, 2121580, 3288449, 6576898, 13153796, 16442245, 32884490, 65768980]

約数ペア:

[(1, 65768980), (2, 32884490), (4, 16442245), (5, 13153796), (10, 6576898), (20, 3288449), (31, 2121580), (37, 1777540), (47, 1399340), (61, 1078180), (62, 1060790), (74, 888770), (94, 699670), (122, 539090), (124, 530395), (148, 444385), (155, 424316), (185, 355508), (188, 349835), (235, 279868), (244, 269545), (305, 215636), (310, 212158), (370, 177754), (470, 139934), (610, 107818), (620, 106079), (740, 88877), (940, 69967), (1147, 57340), (1220, 53909), (1457, 45140), (1739, 37820), (1891, 34780), (2257, 29140), (2294, 28670), (2867, 22940), (2914, 22570), (3478, 18910), (3782, 17390), (4514, 14570), (4588, 14335), (5734, 11470), (5735, 11468), (5828, 11285), (6956, 9455), (7285, 9028), (7564, 8695)]