28506660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:282

約数の個数: 192

約数和(自身を含む): 102961152

約数和(自身を除く): 74454492

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, 84, 91, 92, 105, 115, 130, 138, 140, 156, 161, 182, 195, 210, 227, 230, 260, 273, 276, 299, 322, 345, 364, 390, 420, 454, 455, 460, 483, 546, 598, 644, 681, 690, 780, 805, 897, 908, 910, 966, 1092, 1135, 1196, 1362, 1365, 1380, 1495, 1589, 1610, 1794, 1820, 1932, 2093, 2270, 2415, 2724, 2730, 2951, 2990, 3178, 3220, 3405, 3588, 4186, 4485, 4540, 4767, 4830, 5221, 5460, 5902, 5980, 6279, 6356, 6810, 7945, 8372, 8853, 8970, 9534, 9660, 10442, 10465, 11804, 12558, 13620, 14755, 15663, 15890, 17706, 17940, 19068, 20657, 20884, 20930, 23835, 25116, 26105, 29510, 31326, 31395, 31780, 35412, 36547, 41314, 41860, 44265, 47670, 52210, 59020, 61971, 62652, 62790, 67873, 73094, 78315, 82628, 88530, 95340, 103285, 104420, 109641, 123942, 125580, 135746, 146188, 156630, 177060, 182735, 203619, 206570, 219282, 247884, 271492, 309855, 313260, 339365, 365470, 407238, 413140, 438564, 475111, 548205, 619710, 678730, 730940, 814476, 950222, 1018095, 1096410, 1239420, 1357460, 1425333, 1900444, 2036190, 2192820, 2375555, 2850666, 4072380, 4751110, 5701332, 7126665, 9502220, 14253330, 28506660]

約数ペア:

[(1, 28506660), (2, 14253330), (3, 9502220), (4, 7126665), (5, 5701332), (6, 4751110), (7, 4072380), (10, 2850666), (12, 2375555), (13, 2192820), (14, 2036190), (15, 1900444), (20, 1425333), (21, 1357460), (23, 1239420), (26, 1096410), (28, 1018095), (30, 950222), (35, 814476), (39, 730940), (42, 678730), (46, 619710), (52, 548205), (60, 475111), (65, 438564), (69, 413140), (70, 407238), (78, 365470), (84, 339365), (91, 313260), (92, 309855), (105, 271492), (115, 247884), (130, 219282), (138, 206570), (140, 203619), (156, 182735), (161, 177060), (182, 156630), (195, 146188), (210, 135746), (227, 125580), (230, 123942), (260, 109641), (273, 104420), (276, 103285), (299, 95340), (322, 88530), (345, 82628), (364, 78315), (390, 73094), (420, 67873), (454, 62790), (455, 62652), (460, 61971), (483, 59020), (546, 52210), (598, 47670), (644, 44265), (681, 41860), (690, 41314), (780, 36547), (805, 35412), (897, 31780), (908, 31395), (910, 31326), (966, 29510), (1092, 26105), (1135, 25116), (1196, 23835), (1362, 20930), (1365, 20884), (1380, 20657), (1495, 19068), (1589, 17940), (1610, 17706), (1794, 15890), (1820, 15663), (1932, 14755), (2093, 13620), (2270, 12558), (2415, 11804), (2724, 10465), (2730, 10442), (2951, 9660), (2990, 9534), (3178, 8970), (3220, 8853), (3405, 8372), (3588, 7945), (4186, 6810), (4485, 6356), (4540, 6279), (4767, 5980), (4830, 5902), (5221, 5460)]