815687160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{26449}}^1$

素因数の和:26720

約数の個数: 64

約数和(自身を含む): 2456676000

約数和(自身を除く): 1640988840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5140, 6168, 7710, 10280, 15420, 26449, 30840, 52898, 79347, 105796, 132245, 158694, 211592, 264490, 317388, 396735, 528980, 634776, 793470, 1057960, 1586940, 3173880, 6797393, 13594786, 20392179, 27189572, 33986965, 40784358, 54379144, 67973930, 81568716, 101960895, 135947860, 163137432, 203921790, 271895720, 407843580, 815687160]

約数ペア:

[(1, 815687160), (2, 407843580), (3, 271895720), (4, 203921790), (5, 163137432), (6, 135947860), (8, 101960895), (10, 81568716), (12, 67973930), (15, 54379144), (20, 40784358), (24, 33986965), (30, 27189572), (40, 20392179), (60, 13594786), (120, 6797393), (257, 3173880), (514, 1586940), (771, 1057960), (1028, 793470), (1285, 634776), (1542, 528980), (2056, 396735), (2570, 317388), (3084, 264490), (3855, 211592), (5140, 158694), (6168, 132245), (7710, 105796), (10280, 79347), (15420, 52898), (26449, 30840)]