268640027720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1024249}}^1$

素因数の和:1024422

約数の個数: 64

約数和(自身を含む): 619466400000

約数和(自身を除く): 350826372280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 83, 158, 166, 316, 332, 395, 415, 632, 664, 790, 830, 1580, 1660, 3160, 3320, 6557, 13114, 26228, 32785, 52456, 65570, 131140, 262280, 1024249, 2048498, 4096996, 5121245, 8193992, 10242490, 20484980, 40969960, 80915671, 85012667, 161831342, 170025334, 323662684, 340050668, 404578355, 425063335, 647325368, 680101336, 809156710, 850126670, 1618313420, 1700253340, 3236626840, 3400506680, 6716000693, 13432001386, 26864002772, 33580003465, 53728005544, 67160006930, 134320013860, 268640027720]

約数ペア:

[(1, 268640027720), (2, 134320013860), (4, 67160006930), (5, 53728005544), (8, 33580003465), (10, 26864002772), (20, 13432001386), (40, 6716000693), (79, 3400506680), (83, 3236626840), (158, 1700253340), (166, 1618313420), (316, 850126670), (332, 809156710), (395, 680101336), (415, 647325368), (632, 425063335), (664, 404578355), (790, 340050668), (830, 323662684), (1580, 170025334), (1660, 161831342), (3160, 85012667), (3320, 80915671), (6557, 40969960), (13114, 20484980), (26228, 10242490), (32785, 8193992), (52456, 5121245), (65570, 4096996), (131140, 2048498), (262280, 1024249)]