28531320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3257}}^1$

素因数の和:3344

約数の個数: 64

約数和(自身を含む): 86793120

約数和(自身を除く): 58261800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2920, 3257, 4380, 6514, 8760, 9771, 13028, 16285, 19542, 26056, 32570, 39084, 48855, 65140, 78168, 97710, 130280, 195420, 237761, 390840, 475522, 713283, 951044, 1188805, 1426566, 1902088, 2377610, 2853132, 3566415, 4755220, 5706264, 7132830, 9510440, 14265660, 28531320]

約数ペア:

[(1, 28531320), (2, 14265660), (3, 9510440), (4, 7132830), (5, 5706264), (6, 4755220), (8, 3566415), (10, 2853132), (12, 2377610), (15, 1902088), (20, 1426566), (24, 1188805), (30, 951044), (40, 713283), (60, 475522), (73, 390840), (120, 237761), (146, 195420), (219, 130280), (292, 97710), (365, 78168), (438, 65140), (584, 48855), (730, 39084), (876, 32570), (1095, 26056), (1460, 19542), (1752, 16285), (2190, 13028), (2920, 9771), (3257, 8760), (4380, 6514)]