23212980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 87816960

約数和(自身を除く): 64603980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 81, 84, 89, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 162, 178, 180, 189, 207, 210, 230, 252, 267, 270, 276, 315, 322, 324, 345, 356, 378, 405, 414, 420, 445, 460, 483, 534, 540, 567, 621, 623, 630, 644, 690, 756, 801, 805, 810, 828, 890, 945, 966, 1035, 1068, 1134, 1242, 1246, 1260, 1335, 1380, 1449, 1602, 1610, 1620, 1780, 1863, 1869, 1890, 1932, 2047, 2070, 2268, 2403, 2415, 2484, 2492, 2670, 2835, 2898, 3105, 3115, 3204, 3220, 3726, 3738, 3780, 4005, 4094, 4140, 4347, 4806, 4830, 5340, 5607, 5670, 5796, 6141, 6210, 6230, 7209, 7245, 7452, 7476, 8010, 8188, 8694, 9315, 9345, 9612, 9660, 10235, 11214, 11340, 12015, 12282, 12420, 12460, 13041, 14329, 14418, 14490, 16020, 16821, 17388, 18423, 18630, 18690, 20470, 21735, 22428, 24030, 24564, 26082, 28035, 28658, 28836, 28980, 30705, 33642, 36045, 36846, 37260, 37380, 40940, 42987, 43470, 48060, 50463, 52164, 55269, 56070, 57316, 61410, 65205, 67284, 71645, 72090, 73692, 84105, 85974, 86940, 92115, 100926, 110538, 112140, 122820, 128961, 130410, 143290, 144180, 165807, 168210, 171948, 184230, 201852, 214935, 221076, 252315, 257922, 260820, 276345, 286580, 331614, 336420, 368460, 386883, 429870, 504630, 515844, 552690, 644805, 663228, 773766, 829035, 859740, 1009260, 1105380, 1160649, 1289610, 1547532, 1658070, 1934415, 2321298, 2579220, 3316140, 3868830, 4642596, 5803245, 7737660, 11606490, 23212980]

約数ペア:

[(1, 23212980), (2, 11606490), (3, 7737660), (4, 5803245), (5, 4642596), (6, 3868830), (7, 3316140), (9, 2579220), (10, 2321298), (12, 1934415), (14, 1658070), (15, 1547532), (18, 1289610), (20, 1160649), (21, 1105380), (23, 1009260), (27, 859740), (28, 829035), (30, 773766), (35, 663228), (36, 644805), (42, 552690), (45, 515844), (46, 504630), (54, 429870), (60, 386883), (63, 368460), (69, 336420), (70, 331614), (81, 286580), (84, 276345), (89, 260820), (90, 257922), (92, 252315), (105, 221076), (108, 214935), (115, 201852), (126, 184230), (135, 171948), (138, 168210), (140, 165807), (161, 144180), (162, 143290), (178, 130410), (180, 128961), (189, 122820), (207, 112140), (210, 110538), (230, 100926), (252, 92115), (267, 86940), (270, 85974), (276, 84105), (315, 73692), (322, 72090), (324, 71645), (345, 67284), (356, 65205), (378, 61410), (405, 57316), (414, 56070), (420, 55269), (445, 52164), (460, 50463), (483, 48060), (534, 43470), (540, 42987), (567, 40940), (621, 37380), (623, 37260), (630, 36846), (644, 36045), (690, 33642), (756, 30705), (801, 28980), (805, 28836), (810, 28658), (828, 28035), (890, 26082), (945, 24564), (966, 24030), (1035, 22428), (1068, 21735), (1134, 20470), (1242, 18690), (1246, 18630), (1260, 18423), (1335, 17388), (1380, 16821), (1449, 16020), (1602, 14490), (1610, 14418), (1620, 14329), (1780, 13041), (1863, 12460), (1869, 12420), (1890, 12282), (1932, 12015), (2047, 11340), (2070, 11214), (2268, 10235), (2403, 9660), (2415, 9612), (2484, 9345), (2492, 9315), (2670, 8694), (2835, 8188), (2898, 8010), (3105, 7476), (3115, 7452), (3204, 7245), (3220, 7209), (3726, 6230), (3738, 6210), (3780, 6141), (4005, 5796), (4094, 5670), (4140, 5607), (4347, 5340), (4806, 4830)]