1640553360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{773}}^1$

素因数の和:1065

約数の個数: 160

約数和(自身を含む): 5251806720

約数和(自身を除く): 3611253360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 239, 240, 296, 370, 444, 478, 555, 592, 717, 740, 773, 888, 956, 1110, 1195, 1434, 1480, 1546, 1776, 1912, 2220, 2319, 2390, 2868, 2960, 3092, 3585, 3824, 3865, 4440, 4638, 4780, 5736, 6184, 7170, 7730, 8843, 8880, 9276, 9560, 11472, 11595, 12368, 14340, 15460, 17686, 18552, 19120, 23190, 26529, 28601, 28680, 30920, 35372, 37104, 44215, 46380, 53058, 57202, 57360, 61840, 70744, 85803, 88430, 92760, 106116, 114404, 132645, 141488, 143005, 171606, 176860, 184747, 185520, 212232, 228808, 265290, 286010, 343212, 353720, 369494, 424464, 429015, 457616, 530580, 554241, 572020, 686424, 707440, 738988, 858030, 923735, 1061160, 1108482, 1144040, 1372848, 1477976, 1716060, 1847470, 2122320, 2216964, 2288080, 2771205, 2955952, 3432120, 3694940, 4433928, 5542410, 6835639, 6864240, 7389880, 8867856, 11084820, 13671278, 14779760, 20506917, 22169640, 27342556, 34178195, 41013834, 44339280, 54685112, 68356390, 82027668, 102534585, 109370224, 136712780, 164055336, 205069170, 273425560, 328110672, 410138340, 546851120, 820276680, 1640553360]

約数ペア:

[(1, 1640553360), (2, 820276680), (3, 546851120), (4, 410138340), (5, 328110672), (6, 273425560), (8, 205069170), (10, 164055336), (12, 136712780), (15, 109370224), (16, 102534585), (20, 82027668), (24, 68356390), (30, 54685112), (37, 44339280), (40, 41013834), (48, 34178195), (60, 27342556), (74, 22169640), (80, 20506917), (111, 14779760), (120, 13671278), (148, 11084820), (185, 8867856), (222, 7389880), (239, 6864240), (240, 6835639), (296, 5542410), (370, 4433928), (444, 3694940), (478, 3432120), (555, 2955952), (592, 2771205), (717, 2288080), (740, 2216964), (773, 2122320), (888, 1847470), (956, 1716060), (1110, 1477976), (1195, 1372848), (1434, 1144040), (1480, 1108482), (1546, 1061160), (1776, 923735), (1912, 858030), (2220, 738988), (2319, 707440), (2390, 686424), (2868, 572020), (2960, 554241), (3092, 530580), (3585, 457616), (3824, 429015), (3865, 424464), (4440, 369494), (4638, 353720), (4780, 343212), (5736, 286010), (6184, 265290), (7170, 228808), (7730, 212232), (8843, 185520), (8880, 184747), (9276, 176860), (9560, 171606), (11472, 143005), (11595, 141488), (12368, 132645), (14340, 114404), (15460, 106116), (17686, 92760), (18552, 88430), (19120, 85803), (23190, 70744), (26529, 61840), (28601, 57360), (28680, 57202), (30920, 53058), (35372, 46380), (37104, 44215)]