123679920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:852

約数の個数: 240

約数和(自身を含む): 480906720

約数和(自身を除く): 357226800

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, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 809, 840, 910, 980, 1040, 1092, 1176, 1274, 1365, 1456, 1470, 1560, 1618, 1680, 1820, 1911, 1960, 2184, 2352, 2427, 2548, 2730, 2940, 3120, 3185, 3236, 3640, 3822, 3920, 4045, 4368, 4854, 5096, 5460, 5663, 5880, 6370, 6472, 7280, 7644, 8090, 9555, 9708, 10192, 10517, 10920, 11326, 11760, 12135, 12740, 12944, 15288, 16180, 16989, 19110, 19416, 21034, 21840, 22652, 24270, 25480, 28315, 30576, 31551, 32360, 33978, 38220, 38832, 39641, 42068, 45304, 48540, 50960, 52585, 56630, 63102, 64720, 67956, 73619, 76440, 79282, 84136, 84945, 90608, 97080, 105170, 113260, 118923, 126204, 135912, 147238, 152880, 157755, 158564, 168272, 169890, 194160, 198205, 210340, 220857, 226520, 237846, 252408, 271824, 294476, 315510, 317128, 339780, 368095, 396410, 420680, 441714, 453040, 475692, 504816, 515333, 588952, 594615, 631020, 634256, 679560, 736190, 792820, 841360, 883428, 951384, 1030666, 1104285, 1177904, 1189230, 1262040, 1359120, 1472380, 1545999, 1585640, 1766856, 1902768, 2061332, 2208570, 2378460, 2524080, 2576665, 2944760, 3091998, 3171280, 3533712, 4122664, 4417140, 4756920, 5153330, 5889520, 6183996, 7729995, 8245328, 8834280, 9513840, 10306660, 12367992, 15459990, 17668560, 20613320, 24735984, 30919980, 41226640, 61839960, 123679920]

約数ペア:

[(1, 123679920), (2, 61839960), (3, 41226640), (4, 30919980), (5, 24735984), (6, 20613320), (7, 17668560), (8, 15459990), (10, 12367992), (12, 10306660), (13, 9513840), (14, 8834280), (15, 8245328), (16, 7729995), (20, 6183996), (21, 5889520), (24, 5153330), (26, 4756920), (28, 4417140), (30, 4122664), (35, 3533712), (39, 3171280), (40, 3091998), (42, 2944760), (48, 2576665), (49, 2524080), (52, 2378460), (56, 2208570), (60, 2061332), (65, 1902768), (70, 1766856), (78, 1585640), (80, 1545999), (84, 1472380), (91, 1359120), (98, 1262040), (104, 1189230), (105, 1177904), (112, 1104285), (120, 1030666), (130, 951384), (140, 883428), (147, 841360), (156, 792820), (168, 736190), (182, 679560), (195, 634256), (196, 631020), (208, 594615), (210, 588952), (240, 515333), (245, 504816), (260, 475692), (273, 453040), (280, 441714), (294, 420680), (312, 396410), (336, 368095), (364, 339780), (390, 317128), (392, 315510), (420, 294476), (455, 271824), (490, 252408), (520, 237846), (546, 226520), (560, 220857), (588, 210340), (624, 198205), (637, 194160), (728, 169890), (735, 168272), (780, 158564), (784, 157755), (809, 152880), (840, 147238), (910, 135912), (980, 126204), (1040, 118923), (1092, 113260), (1176, 105170), (1274, 97080), (1365, 90608), (1456, 84945), (1470, 84136), (1560, 79282), (1618, 76440), (1680, 73619), (1820, 67956), (1911, 64720), (1960, 63102), (2184, 56630), (2352, 52585), (2427, 50960), (2548, 48540), (2730, 45304), (2940, 42068), (3120, 39641), (3185, 38832), (3236, 38220), (3640, 33978), (3822, 32360), (3920, 31551), (4045, 30576), (4368, 28315), (4854, 25480), (5096, 24270), (5460, 22652), (5663, 21840), (5880, 21034), (6370, 19416), (6472, 19110), (7280, 16989), (7644, 16180), (8090, 15288), (9555, 12944), (9708, 12740), (10192, 12135), (10517, 11760), (10920, 11326)]