64740780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 214949280

約数和(自身を除く): 150208500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 73, 78, 90, 117, 130, 146, 156, 180, 195, 219, 234, 260, 292, 365, 379, 390, 438, 468, 585, 657, 730, 758, 780, 876, 949, 1095, 1137, 1170, 1314, 1460, 1516, 1895, 1898, 2190, 2274, 2340, 2628, 2847, 3285, 3411, 3790, 3796, 4380, 4548, 4745, 4927, 5685, 5694, 6570, 6822, 7580, 8541, 9490, 9854, 11370, 11388, 13140, 13644, 14235, 14781, 17055, 17082, 18980, 19708, 22740, 24635, 27667, 28470, 29562, 34110, 34164, 42705, 44343, 49270, 55334, 56940, 59124, 68220, 73905, 83001, 85410, 88686, 98540, 110668, 138335, 147810, 166002, 170820, 177372, 221715, 249003, 276670, 295620, 332004, 359671, 415005, 443430, 498006, 553340, 719342, 830010, 886860, 996012, 1079013, 1245015, 1438684, 1660020, 1798355, 2158026, 2490030, 3237039, 3596710, 4316052, 4980060, 5395065, 6474078, 7193420, 10790130, 12948156, 16185195, 21580260, 32370390, 64740780]

約数ペア:

[(1, 64740780), (2, 32370390), (3, 21580260), (4, 16185195), (5, 12948156), (6, 10790130), (9, 7193420), (10, 6474078), (12, 5395065), (13, 4980060), (15, 4316052), (18, 3596710), (20, 3237039), (26, 2490030), (30, 2158026), (36, 1798355), (39, 1660020), (45, 1438684), (52, 1245015), (60, 1079013), (65, 996012), (73, 886860), (78, 830010), (90, 719342), (117, 553340), (130, 498006), (146, 443430), (156, 415005), (180, 359671), (195, 332004), (219, 295620), (234, 276670), (260, 249003), (292, 221715), (365, 177372), (379, 170820), (390, 166002), (438, 147810), (468, 138335), (585, 110668), (657, 98540), (730, 88686), (758, 85410), (780, 83001), (876, 73905), (949, 68220), (1095, 59124), (1137, 56940), (1170, 55334), (1314, 49270), (1460, 44343), (1516, 42705), (1895, 34164), (1898, 34110), (2190, 29562), (2274, 28470), (2340, 27667), (2628, 24635), (2847, 22740), (3285, 19708), (3411, 18980), (3790, 17082), (3796, 17055), (4380, 14781), (4548, 14235), (4745, 13644), (4927, 13140), (5685, 11388), (5694, 11370), (6570, 9854), (6822, 9490), (7580, 8541)]