131423880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 256

約数和(自身を含む): 479232000

約数和(自身を除く): 347808120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 103, 105, 120, 124, 140, 147, 155, 168, 186, 196, 206, 210, 217, 245, 248, 280, 294, 309, 310, 343, 372, 392, 412, 420, 434, 465, 490, 515, 588, 618, 620, 651, 686, 721, 735, 744, 824, 840, 868, 930, 980, 1029, 1030, 1085, 1176, 1236, 1240, 1302, 1372, 1442, 1470, 1519, 1545, 1715, 1736, 1860, 1960, 2058, 2060, 2163, 2170, 2472, 2604, 2744, 2884, 2940, 3038, 3090, 3193, 3255, 3430, 3605, 3720, 4116, 4120, 4326, 4340, 4557, 5047, 5145, 5208, 5768, 5880, 6076, 6180, 6386, 6510, 6860, 7210, 7595, 8232, 8652, 8680, 9114, 9579, 10094, 10290, 10633, 10815, 12152, 12360, 12772, 13020, 13720, 14420, 15141, 15190, 15965, 17304, 18228, 19158, 20188, 20580, 21266, 21630, 22351, 22785, 25235, 25544, 26040, 28840, 30282, 30380, 31899, 31930, 35329, 36456, 38316, 40376, 41160, 42532, 43260, 44702, 45570, 47895, 50470, 53165, 60564, 60760, 63798, 63860, 67053, 70658, 75705, 76632, 85064, 86520, 89404, 91140, 95790, 100940, 105987, 106330, 111755, 121128, 127596, 127720, 134106, 141316, 151410, 156457, 159495, 176645, 178808, 182280, 191580, 201880, 211974, 212660, 223510, 255192, 268212, 282632, 302820, 312914, 318990, 335265, 353290, 383160, 423948, 425320, 447020, 469371, 529935, 536424, 605640, 625828, 637980, 670530, 706580, 782285, 847896, 894040, 938742, 1059870, 1095199, 1251656, 1275960, 1341060, 1413160, 1564570, 1877484, 2119740, 2190398, 2346855, 2682120, 3129140, 3285597, 3754968, 4239480, 4380796, 4693710, 5475995, 6258280, 6571194, 8761592, 9387420, 10951990, 13142388, 16427985, 18774840, 21903980, 26284776, 32855970, 43807960, 65711940, 131423880]

約数ペア:

[(1, 131423880), (2, 65711940), (3, 43807960), (4, 32855970), (5, 26284776), (6, 21903980), (7, 18774840), (8, 16427985), (10, 13142388), (12, 10951990), (14, 9387420), (15, 8761592), (20, 6571194), (21, 6258280), (24, 5475995), (28, 4693710), (30, 4380796), (31, 4239480), (35, 3754968), (40, 3285597), (42, 3129140), (49, 2682120), (56, 2346855), (60, 2190398), (62, 2119740), (70, 1877484), (84, 1564570), (93, 1413160), (98, 1341060), (103, 1275960), (105, 1251656), (120, 1095199), (124, 1059870), (140, 938742), (147, 894040), (155, 847896), (168, 782285), (186, 706580), (196, 670530), (206, 637980), (210, 625828), (217, 605640), (245, 536424), (248, 529935), (280, 469371), (294, 447020), (309, 425320), (310, 423948), (343, 383160), (372, 353290), (392, 335265), (412, 318990), (420, 312914), (434, 302820), (465, 282632), (490, 268212), (515, 255192), (588, 223510), (618, 212660), (620, 211974), (651, 201880), (686, 191580), (721, 182280), (735, 178808), (744, 176645), (824, 159495), (840, 156457), (868, 151410), (930, 141316), (980, 134106), (1029, 127720), (1030, 127596), (1085, 121128), (1176, 111755), (1236, 106330), (1240, 105987), (1302, 100940), (1372, 95790), (1442, 91140), (1470, 89404), (1519, 86520), (1545, 85064), (1715, 76632), (1736, 75705), (1860, 70658), (1960, 67053), (2058, 63860), (2060, 63798), (2163, 60760), (2170, 60564), (2472, 53165), (2604, 50470), (2744, 47895), (2884, 45570), (2940, 44702), (3038, 43260), (3090, 42532), (3193, 41160), (3255, 40376), (3430, 38316), (3605, 36456), (3720, 35329), (4116, 31930), (4120, 31899), (4326, 30380), (4340, 30282), (4557, 28840), (5047, 26040), (5145, 25544), (5208, 25235), (5768, 22785), (5880, 22351), (6076, 21630), (6180, 21266), (6386, 20580), (6510, 20188), (6860, 19158), (7210, 18228), (7595, 17304), (8232, 15965), (8652, 15190), (8680, 15141), (9114, 14420), (9579, 13720), (10094, 13020), (10290, 12772), (10633, 12360), (10815, 12152)]