28713360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9203}}^1$

素因数の和:9232

約数の個数: 80

約数和(自身を含む): 95868864

約数和(自身を除く): 67155504

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, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 9203, 18406, 27609, 36812, 46015, 55218, 73624, 92030, 110436, 119639, 138045, 147248, 184060, 220872, 239278, 276090, 358917, 368120, 441744, 478556, 552180, 598195, 717834, 736240, 957112, 1104360, 1196390, 1435668, 1794585, 1914224, 2208720, 2392780, 2871336, 3589170, 4785560, 5742672, 7178340, 9571120, 14356680, 28713360]

約数ペア:

[(1, 28713360), (2, 14356680), (3, 9571120), (4, 7178340), (5, 5742672), (6, 4785560), (8, 3589170), (10, 2871336), (12, 2392780), (13, 2208720), (15, 1914224), (16, 1794585), (20, 1435668), (24, 1196390), (26, 1104360), (30, 957112), (39, 736240), (40, 717834), (48, 598195), (52, 552180), (60, 478556), (65, 441744), (78, 368120), (80, 358917), (104, 276090), (120, 239278), (130, 220872), (156, 184060), (195, 147248), (208, 138045), (240, 119639), (260, 110436), (312, 92030), (390, 73624), (520, 55218), (624, 46015), (780, 36812), (1040, 27609), (1560, 18406), (3120, 9203)]