164077720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 379300320

約数和(自身を除く): 215222600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 83, 146, 166, 292, 332, 365, 415, 584, 664, 677, 730, 830, 1354, 1460, 1660, 2708, 2920, 3320, 3385, 5416, 6059, 6770, 12118, 13540, 24236, 27080, 30295, 48472, 49421, 56191, 60590, 98842, 112382, 121180, 197684, 224764, 242360, 247105, 280955, 395368, 449528, 494210, 561910, 988420, 1123820, 1976840, 2247640, 4101943, 8203886, 16407772, 20509715, 32815544, 41019430, 82038860, 164077720]

約数ペア:

[(1, 164077720), (2, 82038860), (4, 41019430), (5, 32815544), (8, 20509715), (10, 16407772), (20, 8203886), (40, 4101943), (73, 2247640), (83, 1976840), (146, 1123820), (166, 988420), (292, 561910), (332, 494210), (365, 449528), (415, 395368), (584, 280955), (664, 247105), (677, 242360), (730, 224764), (830, 197684), (1354, 121180), (1460, 112382), (1660, 98842), (2708, 60590), (2920, 56191), (3320, 49421), (3385, 48472), (5416, 30295), (6059, 27080), (6770, 24236), (12118, 13540)]