90140940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26357}}^1$

素因数の和:26391

約数の個数: 72

約数和(自身を含む): 287829360

約数和(自身を除く): 197688420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 26357, 52714, 79071, 105428, 131785, 158142, 237213, 263570, 316284, 395355, 474426, 500783, 527140, 790710, 948852, 1001566, 1186065, 1502349, 1581420, 2003132, 2372130, 2503915, 3004698, 4507047, 4744260, 5007830, 6009396, 7511745, 9014094, 10015660, 15023490, 18028188, 22535235, 30046980, 45070470, 90140940]

約数ペア:

[(1, 90140940), (2, 45070470), (3, 30046980), (4, 22535235), (5, 18028188), (6, 15023490), (9, 10015660), (10, 9014094), (12, 7511745), (15, 6009396), (18, 5007830), (19, 4744260), (20, 4507047), (30, 3004698), (36, 2503915), (38, 2372130), (45, 2003132), (57, 1581420), (60, 1502349), (76, 1186065), (90, 1001566), (95, 948852), (114, 790710), (171, 527140), (180, 500783), (190, 474426), (228, 395355), (285, 316284), (342, 263570), (380, 237213), (570, 158142), (684, 131785), (855, 105428), (1140, 79071), (1710, 52714), (3420, 26357)]