128175320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1585

約数の個数: 128

約数和(自身を含む): 370621440

約数和(自身を除く): 242446120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1531, 1610, 1820, 2093, 2392, 2990, 3062, 3220, 3640, 4186, 5980, 6124, 6440, 7655, 8372, 10465, 10717, 11960, 12248, 15310, 16744, 19903, 20930, 21434, 30620, 35213, 39806, 41860, 42868, 53585, 61240, 70426, 79612, 83720, 85736, 99515, 107170, 139321, 140852, 159224, 176065, 199030, 214340, 246491, 278642, 281704, 352130, 398060, 428680, 457769, 492982, 557284, 696605, 704260, 796120, 915538, 985964, 1114568, 1232455, 1393210, 1408520, 1831076, 1971928, 2288845, 2464910, 2786420, 3204383, 3662152, 4577690, 4929820, 5572840, 6408766, 9155380, 9859640, 12817532, 16021915, 18310760, 25635064, 32043830, 64087660, 128175320]

約数ペア:

[(1, 128175320), (2, 64087660), (4, 32043830), (5, 25635064), (7, 18310760), (8, 16021915), (10, 12817532), (13, 9859640), (14, 9155380), (20, 6408766), (23, 5572840), (26, 4929820), (28, 4577690), (35, 3662152), (40, 3204383), (46, 2786420), (52, 2464910), (56, 2288845), (65, 1971928), (70, 1831076), (91, 1408520), (92, 1393210), (104, 1232455), (115, 1114568), (130, 985964), (140, 915538), (161, 796120), (182, 704260), (184, 696605), (230, 557284), (260, 492982), (280, 457769), (299, 428680), (322, 398060), (364, 352130), (455, 281704), (460, 278642), (520, 246491), (598, 214340), (644, 199030), (728, 176065), (805, 159224), (910, 140852), (920, 139321), (1196, 107170), (1288, 99515), (1495, 85736), (1531, 83720), (1610, 79612), (1820, 70426), (2093, 61240), (2392, 53585), (2990, 42868), (3062, 41860), (3220, 39806), (3640, 35213), (4186, 30620), (5980, 21434), (6124, 20930), (6440, 19903), (7655, 16744), (8372, 15310), (10465, 12248), (10717, 11960)]