9920820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 192

約数和(自身を含む): 36126720

約数和(自身を除く): 26205900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 23, 26, 28, 30, 35, 39, 42, 46, 52, 60, 65, 69, 70, 78, 79, 84, 91, 92, 105, 115, 130, 138, 140, 156, 158, 161, 182, 195, 210, 230, 237, 260, 273, 276, 299, 316, 322, 345, 364, 390, 395, 420, 455, 460, 474, 483, 546, 553, 598, 644, 690, 780, 790, 805, 897, 910, 948, 966, 1027, 1092, 1106, 1185, 1196, 1365, 1380, 1495, 1580, 1610, 1659, 1794, 1817, 1820, 1932, 2054, 2093, 2212, 2370, 2415, 2730, 2765, 2990, 3081, 3220, 3318, 3588, 3634, 4108, 4186, 4485, 4740, 4830, 5135, 5451, 5460, 5530, 5980, 6162, 6279, 6636, 7189, 7268, 8295, 8372, 8970, 9085, 9660, 10270, 10465, 10902, 11060, 12324, 12558, 12719, 14378, 15405, 16590, 17940, 18170, 20540, 20930, 21567, 21804, 23621, 25116, 25438, 27255, 28756, 30810, 31395, 33180, 35945, 36340, 38157, 41860, 43134, 47242, 50876, 54510, 61620, 62790, 63595, 70863, 71890, 76314, 86268, 94484, 107835, 109020, 118105, 125580, 127190, 141726, 143780, 152628, 165347, 190785, 215670, 236210, 254380, 283452, 330694, 354315, 381570, 431340, 472420, 496041, 661388, 708630, 763140, 826735, 992082, 1417260, 1653470, 1984164, 2480205, 3306940, 4960410, 9920820]

約数ペア:

[(1, 9920820), (2, 4960410), (3, 3306940), (4, 2480205), (5, 1984164), (6, 1653470), (7, 1417260), (10, 992082), (12, 826735), (13, 763140), (14, 708630), (15, 661388), (20, 496041), (21, 472420), (23, 431340), (26, 381570), (28, 354315), (30, 330694), (35, 283452), (39, 254380), (42, 236210), (46, 215670), (52, 190785), (60, 165347), (65, 152628), (69, 143780), (70, 141726), (78, 127190), (79, 125580), (84, 118105), (91, 109020), (92, 107835), (105, 94484), (115, 86268), (130, 76314), (138, 71890), (140, 70863), (156, 63595), (158, 62790), (161, 61620), (182, 54510), (195, 50876), (210, 47242), (230, 43134), (237, 41860), (260, 38157), (273, 36340), (276, 35945), (299, 33180), (316, 31395), (322, 30810), (345, 28756), (364, 27255), (390, 25438), (395, 25116), (420, 23621), (455, 21804), (460, 21567), (474, 20930), (483, 20540), (546, 18170), (553, 17940), (598, 16590), (644, 15405), (690, 14378), (780, 12719), (790, 12558), (805, 12324), (897, 11060), (910, 10902), (948, 10465), (966, 10270), (1027, 9660), (1092, 9085), (1106, 8970), (1185, 8372), (1196, 8295), (1365, 7268), (1380, 7189), (1495, 6636), (1580, 6279), (1610, 6162), (1659, 5980), (1794, 5530), (1817, 5460), (1820, 5451), (1932, 5135), (2054, 4830), (2093, 4740), (2212, 4485), (2370, 4186), (2415, 4108), (2730, 3634), (2765, 3588), (2990, 3318), (3081, 3220)]