644965488

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^3\times {\mathrm{653}}^1$

素因数の和:724

約数の個数: 120

約数和(自身を含む): 1908188880

約数和(自身を除く): 1263223392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 361, 456, 653, 684, 722, 912, 1083, 1306, 1368, 1444, 1959, 2166, 2612, 2736, 2888, 3249, 3918, 4332, 5224, 5776, 5877, 6498, 6859, 7836, 8664, 10448, 11754, 12407, 12996, 13718, 15672, 17328, 20577, 23508, 24814, 25992, 27436, 31344, 37221, 41154, 47016, 49628, 51984, 54872, 61731, 74442, 82308, 94032, 99256, 109744, 111663, 123462, 148884, 164616, 198512, 223326, 235733, 246924, 297768, 329232, 446652, 471466, 493848, 595536, 707199, 893304, 942932, 987696, 1414398, 1786608, 1885864, 2121597, 2828796, 3771728, 4243194, 4478927, 5657592, 8486388, 8957854, 11315184, 13436781, 16972776, 17915708, 26873562, 33945552, 35831416, 40310343, 53747124, 71662832, 80620686, 107494248, 161241372, 214988496, 322482744, 644965488]

約数ペア:

[(1, 644965488), (2, 322482744), (3, 214988496), (4, 161241372), (6, 107494248), (8, 80620686), (9, 71662832), (12, 53747124), (16, 40310343), (18, 35831416), (19, 33945552), (24, 26873562), (36, 17915708), (38, 16972776), (48, 13436781), (57, 11315184), (72, 8957854), (76, 8486388), (114, 5657592), (144, 4478927), (152, 4243194), (171, 3771728), (228, 2828796), (304, 2121597), (342, 1885864), (361, 1786608), (456, 1414398), (653, 987696), (684, 942932), (722, 893304), (912, 707199), (1083, 595536), (1306, 493848), (1368, 471466), (1444, 446652), (1959, 329232), (2166, 297768), (2612, 246924), (2736, 235733), (2888, 223326), (3249, 198512), (3918, 164616), (4332, 148884), (5224, 123462), (5776, 111663), (5877, 109744), (6498, 99256), (6859, 94032), (7836, 82308), (8664, 74442), (10448, 61731), (11754, 54872), (12407, 51984), (12996, 49628), (13718, 47016), (15672, 41154), (17328, 37221), (20577, 31344), (23508, 27436), (24814, 25992)]