72199920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 245109312

約数和(自身を除く): 172909392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 73, 78, 80, 104, 120, 130, 146, 156, 195, 208, 219, 240, 260, 292, 312, 317, 365, 390, 438, 520, 584, 624, 634, 730, 780, 876, 949, 951, 1040, 1095, 1168, 1268, 1460, 1560, 1585, 1752, 1898, 1902, 2190, 2536, 2847, 2920, 3120, 3170, 3504, 3796, 3804, 4121, 4380, 4745, 4755, 5072, 5694, 5840, 6340, 7592, 7608, 8242, 8760, 9490, 9510, 11388, 12363, 12680, 14235, 15184, 15216, 16484, 17520, 18980, 19020, 20605, 22776, 23141, 24726, 25360, 28470, 32968, 37960, 38040, 41210, 45552, 46282, 49452, 56940, 61815, 65936, 69423, 75920, 76080, 82420, 92564, 98904, 113880, 115705, 123630, 138846, 164840, 185128, 197808, 227760, 231410, 247260, 277692, 300833, 329680, 347115, 370256, 462820, 494520, 555384, 601666, 694230, 902499, 925640, 989040, 1110768, 1203332, 1388460, 1504165, 1804998, 1851280, 2406664, 2776920, 3008330, 3609996, 4512495, 4813328, 5553840, 6016660, 7219992, 9024990, 12033320, 14439984, 18049980, 24066640, 36099960, 72199920]

約数ペア:

[(1, 72199920), (2, 36099960), (3, 24066640), (4, 18049980), (5, 14439984), (6, 12033320), (8, 9024990), (10, 7219992), (12, 6016660), (13, 5553840), (15, 4813328), (16, 4512495), (20, 3609996), (24, 3008330), (26, 2776920), (30, 2406664), (39, 1851280), (40, 1804998), (48, 1504165), (52, 1388460), (60, 1203332), (65, 1110768), (73, 989040), (78, 925640), (80, 902499), (104, 694230), (120, 601666), (130, 555384), (146, 494520), (156, 462820), (195, 370256), (208, 347115), (219, 329680), (240, 300833), (260, 277692), (292, 247260), (312, 231410), (317, 227760), (365, 197808), (390, 185128), (438, 164840), (520, 138846), (584, 123630), (624, 115705), (634, 113880), (730, 98904), (780, 92564), (876, 82420), (949, 76080), (951, 75920), (1040, 69423), (1095, 65936), (1168, 61815), (1268, 56940), (1460, 49452), (1560, 46282), (1585, 45552), (1752, 41210), (1898, 38040), (1902, 37960), (2190, 32968), (2536, 28470), (2847, 25360), (2920, 24726), (3120, 23141), (3170, 22776), (3504, 20605), (3796, 19020), (3804, 18980), (4121, 17520), (4380, 16484), (4745, 15216), (4755, 15184), (5072, 14235), (5694, 12680), (5840, 12363), (6340, 11388), (7592, 9510), (7608, 9490), (8242, 8760)]