123915120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 240

約数和(自身を含む): 459533088

約数和(自身を除く): 335617968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 49, 56, 60, 70, 80, 82, 84, 98, 105, 112, 120, 123, 140, 147, 164, 168, 196, 205, 210, 240, 245, 246, 257, 280, 287, 294, 328, 336, 392, 410, 420, 490, 492, 514, 560, 574, 588, 615, 656, 735, 771, 784, 820, 840, 861, 980, 984, 1028, 1148, 1176, 1230, 1285, 1435, 1470, 1542, 1640, 1680, 1722, 1799, 1960, 1968, 2009, 2056, 2296, 2352, 2460, 2570, 2870, 2940, 3084, 3280, 3444, 3598, 3855, 3920, 4018, 4112, 4305, 4592, 4920, 5140, 5397, 5740, 5880, 6027, 6168, 6888, 7196, 7710, 8036, 8610, 8995, 9840, 10045, 10280, 10537, 10794, 11480, 11760, 12054, 12336, 12593, 13776, 14392, 15420, 16072, 17220, 17990, 20090, 20560, 21074, 21588, 22960, 24108, 25186, 26985, 28784, 30135, 30840, 31611, 32144, 34440, 35980, 37779, 40180, 42148, 43176, 48216, 50372, 52685, 53970, 60270, 61680, 62965, 63222, 68880, 71960, 73759, 75558, 80360, 84296, 86352, 96432, 100744, 105370, 107940, 120540, 125930, 126444, 143920, 147518, 151116, 158055, 160720, 168592, 188895, 201488, 210740, 215880, 221277, 241080, 251860, 252888, 295036, 302232, 316110, 368795, 377790, 421480, 431760, 442554, 482160, 503720, 505776, 516313, 590072, 604464, 632220, 737590, 755580, 842960, 885108, 1007440, 1032626, 1106385, 1180144, 1264440, 1475180, 1511160, 1548939, 1770216, 2065252, 2212770, 2528880, 2581565, 2950360, 3022320, 3097878, 3540432, 4130504, 4425540, 5163130, 5900720, 6195756, 7744695, 8261008, 8851080, 10326260, 12391512, 15489390, 17702160, 20652520, 24783024, 30978780, 41305040, 61957560, 123915120]

約数ペア:

[(1, 123915120), (2, 61957560), (3, 41305040), (4, 30978780), (5, 24783024), (6, 20652520), (7, 17702160), (8, 15489390), (10, 12391512), (12, 10326260), (14, 8851080), (15, 8261008), (16, 7744695), (20, 6195756), (21, 5900720), (24, 5163130), (28, 4425540), (30, 4130504), (35, 3540432), (40, 3097878), (41, 3022320), (42, 2950360), (48, 2581565), (49, 2528880), (56, 2212770), (60, 2065252), (70, 1770216), (80, 1548939), (82, 1511160), (84, 1475180), (98, 1264440), (105, 1180144), (112, 1106385), (120, 1032626), (123, 1007440), (140, 885108), (147, 842960), (164, 755580), (168, 737590), (196, 632220), (205, 604464), (210, 590072), (240, 516313), (245, 505776), (246, 503720), (257, 482160), (280, 442554), (287, 431760), (294, 421480), (328, 377790), (336, 368795), (392, 316110), (410, 302232), (420, 295036), (490, 252888), (492, 251860), (514, 241080), (560, 221277), (574, 215880), (588, 210740), (615, 201488), (656, 188895), (735, 168592), (771, 160720), (784, 158055), (820, 151116), (840, 147518), (861, 143920), (980, 126444), (984, 125930), (1028, 120540), (1148, 107940), (1176, 105370), (1230, 100744), (1285, 96432), (1435, 86352), (1470, 84296), (1542, 80360), (1640, 75558), (1680, 73759), (1722, 71960), (1799, 68880), (1960, 63222), (1968, 62965), (2009, 61680), (2056, 60270), (2296, 53970), (2352, 52685), (2460, 50372), (2570, 48216), (2870, 43176), (2940, 42148), (3084, 40180), (3280, 37779), (3444, 35980), (3598, 34440), (3855, 32144), (3920, 31611), (4018, 30840), (4112, 30135), (4305, 28784), (4592, 26985), (4920, 25186), (5140, 24108), (5397, 22960), (5740, 21588), (5880, 21074), (6027, 20560), (6168, 20090), (6888, 17990), (7196, 17220), (7710, 16072), (8036, 15420), (8610, 14392), (8995, 13776), (9840, 12593), (10045, 12336), (10280, 12054), (10537, 11760), (10794, 11480)]