2531321520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{115903}}^1$

素因数の和:115939

約数の個数: 160

約数和(自身を含む): 9658048512

約数和(自身を除く): 7126726992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 21840, 115903, 231806, 347709, 463612, 579515, 695418, 811321, 927224, 1159030, 1390836, 1506739, 1622642, 1738545, 1854448, 2318060, 2433963, 2781672, 3013478, 3245284, 3477090, 4056605, 4520217, 4636120, 4867926, 5563344, 6026956, 6490568, 6954180, 7533695, 8113210, 9040434, 9272240, 9735852, 10547173, 12053912, 12169815, 12981136, 13908360, 15067390, 16226420, 18080868, 19471704, 21094346, 22601085, 24107824, 24339630, 27816720, 30134780, 31641519, 32452840, 36161736, 38943408, 42188692, 45202170, 48679260, 52735865, 60269560, 63283038, 64905680, 72323472, 84377384, 90404340, 97358520, 105471730, 120539120, 126566076, 158207595, 168754768, 180808680, 194717040, 210943460, 253132152, 316415190, 361617360, 421886920, 506264304, 632830380, 843773840, 1265660760, 2531321520]

約数ペア:

[(1, 2531321520), (2, 1265660760), (3, 843773840), (4, 632830380), (5, 506264304), (6, 421886920), (7, 361617360), (8, 316415190), (10, 253132152), (12, 210943460), (13, 194717040), (14, 180808680), (15, 168754768), (16, 158207595), (20, 126566076), (21, 120539120), (24, 105471730), (26, 97358520), (28, 90404340), (30, 84377384), (35, 72323472), (39, 64905680), (40, 63283038), (42, 60269560), (48, 52735865), (52, 48679260), (56, 45202170), (60, 42188692), (65, 38943408), (70, 36161736), (78, 32452840), (80, 31641519), (84, 30134780), (91, 27816720), (104, 24339630), (105, 24107824), (112, 22601085), (120, 21094346), (130, 19471704), (140, 18080868), (156, 16226420), (168, 15067390), (182, 13908360), (195, 12981136), (208, 12169815), (210, 12053912), (240, 10547173), (260, 9735852), (273, 9272240), (280, 9040434), (312, 8113210), (336, 7533695), (364, 6954180), (390, 6490568), (420, 6026956), (455, 5563344), (520, 4867926), (546, 4636120), (560, 4520217), (624, 4056605), (728, 3477090), (780, 3245284), (840, 3013478), (910, 2781672), (1040, 2433963), (1092, 2318060), (1365, 1854448), (1456, 1738545), (1560, 1622642), (1680, 1506739), (1820, 1390836), (2184, 1159030), (2730, 927224), (3120, 811321), (3640, 695418), (4368, 579515), (5460, 463612), (7280, 347709), (10920, 231806), (21840, 115903)]