72899960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:301

約数の個数: 128

約数和(自身を含む): 201139200

約数和(自身を除く): 128239240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 133, 140, 142, 152, 190, 193, 266, 280, 284, 355, 380, 386, 497, 532, 568, 665, 710, 760, 772, 965, 994, 1064, 1330, 1349, 1351, 1420, 1544, 1930, 1988, 2485, 2660, 2698, 2702, 2840, 3667, 3860, 3976, 4970, 5320, 5396, 5404, 6745, 6755, 7334, 7720, 9443, 9940, 10792, 10808, 13490, 13510, 13703, 14668, 18335, 18886, 19880, 25669, 26980, 27020, 27406, 29336, 36670, 37772, 47215, 51338, 53960, 54040, 54812, 68515, 73340, 75544, 94430, 95921, 102676, 109624, 128345, 137030, 146680, 188860, 191842, 205352, 256690, 260357, 274060, 377720, 383684, 479605, 513380, 520714, 548120, 767368, 959210, 1026760, 1041428, 1301785, 1822499, 1918420, 2082856, 2603570, 3644998, 3836840, 5207140, 7289996, 9112495, 10414280, 14579992, 18224990, 36449980, 72899960]

約数ペア:

[(1, 72899960), (2, 36449980), (4, 18224990), (5, 14579992), (7, 10414280), (8, 9112495), (10, 7289996), (14, 5207140), (19, 3836840), (20, 3644998), (28, 2603570), (35, 2082856), (38, 1918420), (40, 1822499), (56, 1301785), (70, 1041428), (71, 1026760), (76, 959210), (95, 767368), (133, 548120), (140, 520714), (142, 513380), (152, 479605), (190, 383684), (193, 377720), (266, 274060), (280, 260357), (284, 256690), (355, 205352), (380, 191842), (386, 188860), (497, 146680), (532, 137030), (568, 128345), (665, 109624), (710, 102676), (760, 95921), (772, 94430), (965, 75544), (994, 73340), (1064, 68515), (1330, 54812), (1349, 54040), (1351, 53960), (1420, 51338), (1544, 47215), (1930, 37772), (1988, 36670), (2485, 29336), (2660, 27406), (2698, 27020), (2702, 26980), (2840, 25669), (3667, 19880), (3860, 18886), (3976, 18335), (4970, 14668), (5320, 13703), (5396, 13510), (5404, 13490), (6745, 10808), (6755, 10792), (7334, 9940), (7720, 9443)]