205754640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9421}}^1$

素因数の和:9457

約数の個数: 160

約数和(自身を含む): 785116416

約数和(自身を除く): 579361776

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, 9421, 10920, 18842, 21840, 28263, 37684, 47105, 56526, 65947, 75368, 94210, 113052, 122473, 131894, 141315, 150736, 188420, 197841, 226104, 244946, 263788, 282630, 329735, 367419, 376840, 395682, 452208, 489892, 527576, 565260, 612365, 659470, 734838, 753680, 791364, 857311, 979784, 989205, 1055152, 1130520, 1224730, 1318940, 1469676, 1582728, 1714622, 1837095, 1959568, 1978410, 2261040, 2449460, 2571933, 2637880, 2939352, 3165456, 3429244, 3674190, 3956820, 4286555, 4898920, 5143866, 5275760, 5878704, 6858488, 7348380, 7913640, 8573110, 9797840, 10287732, 12859665, 13716976, 14696760, 15827280, 17146220, 20575464, 25719330, 29393520, 34292440, 41150928, 51438660, 68584880, 102877320, 205754640]

約数ペア:

[(1, 205754640), (2, 102877320), (3, 68584880), (4, 51438660), (5, 41150928), (6, 34292440), (7, 29393520), (8, 25719330), (10, 20575464), (12, 17146220), (13, 15827280), (14, 14696760), (15, 13716976), (16, 12859665), (20, 10287732), (21, 9797840), (24, 8573110), (26, 7913640), (28, 7348380), (30, 6858488), (35, 5878704), (39, 5275760), (40, 5143866), (42, 4898920), (48, 4286555), (52, 3956820), (56, 3674190), (60, 3429244), (65, 3165456), (70, 2939352), (78, 2637880), (80, 2571933), (84, 2449460), (91, 2261040), (104, 1978410), (105, 1959568), (112, 1837095), (120, 1714622), (130, 1582728), (140, 1469676), (156, 1318940), (168, 1224730), (182, 1130520), (195, 1055152), (208, 989205), (210, 979784), (240, 857311), (260, 791364), (273, 753680), (280, 734838), (312, 659470), (336, 612365), (364, 565260), (390, 527576), (420, 489892), (455, 452208), (520, 395682), (546, 376840), (560, 367419), (624, 329735), (728, 282630), (780, 263788), (840, 244946), (910, 226104), (1040, 197841), (1092, 188420), (1365, 150736), (1456, 141315), (1560, 131894), (1680, 122473), (1820, 113052), (2184, 94210), (2730, 75368), (3120, 65947), (3640, 56526), (4368, 47105), (5460, 37684), (7280, 28263), (9421, 21840), (10920, 18842)]