42540990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 106444800

約数和(自身を除く): 63903810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 149, 155, 186, 298, 307, 310, 447, 465, 614, 745, 894, 921, 930, 1490, 1535, 1842, 2235, 3070, 4470, 4605, 4619, 9210, 9238, 9517, 13857, 19034, 23095, 27714, 28551, 45743, 46190, 47585, 57102, 69285, 91486, 95170, 137229, 138570, 142755, 228715, 274458, 285510, 457430, 686145, 1372290, 1418033, 2836066, 4254099, 7090165, 8508198, 14180330, 21270495, 42540990]

約数ペア:

[(1, 42540990), (2, 21270495), (3, 14180330), (5, 8508198), (6, 7090165), (10, 4254099), (15, 2836066), (30, 1418033), (31, 1372290), (62, 686145), (93, 457430), (149, 285510), (155, 274458), (186, 228715), (298, 142755), (307, 138570), (310, 137229), (447, 95170), (465, 91486), (614, 69285), (745, 57102), (894, 47585), (921, 46190), (930, 45743), (1490, 28551), (1535, 27714), (1842, 23095), (2235, 19034), (3070, 13857), (4470, 9517), (4605, 9238), (4619, 9210)]