131319720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 516072960

約数和(自身を除く): 384753240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 41, 42, 45, 56, 60, 62, 63, 70, 72, 82, 84, 90, 93, 105, 120, 123, 124, 126, 140, 155, 164, 168, 180, 186, 205, 210, 217, 246, 248, 252, 279, 280, 287, 310, 315, 328, 360, 369, 372, 410, 420, 434, 465, 492, 504, 558, 574, 615, 620, 630, 651, 738, 744, 820, 840, 861, 868, 930, 984, 1085, 1116, 1148, 1230, 1240, 1260, 1271, 1302, 1395, 1435, 1476, 1640, 1681, 1722, 1736, 1845, 1860, 1953, 2170, 2232, 2296, 2460, 2520, 2542, 2583, 2604, 2790, 2870, 2952, 3255, 3362, 3444, 3690, 3720, 3813, 3906, 4305, 4340, 4920, 5043, 5084, 5166, 5208, 5580, 5740, 6355, 6510, 6724, 6888, 7380, 7626, 7812, 8405, 8610, 8680, 8897, 9765, 10086, 10168, 10332, 11160, 11439, 11480, 11767, 12710, 12915, 13020, 13448, 14760, 15129, 15252, 15624, 16810, 17220, 17794, 19065, 19530, 20172, 20664, 22878, 23534, 25215, 25420, 25830, 26040, 26691, 30258, 30504, 33620, 34440, 35301, 35588, 38130, 39060, 40344, 44485, 45756, 47068, 50430, 50840, 51660, 52111, 53382, 57195, 58835, 60516, 67240, 70602, 71176, 75645, 76260, 78120, 80073, 88970, 91512, 94136, 100860, 103320, 104222, 105903, 106764, 114390, 117670, 121032, 133455, 141204, 151290, 152520, 156333, 160146, 176505, 177940, 201720, 208444, 211806, 213528, 228780, 235340, 260555, 266910, 282408, 302580, 312666, 320292, 353010, 355880, 364777, 400365, 416888, 423612, 457560, 468999, 470680, 521110, 529515, 533820, 605160, 625332, 640584, 706020, 729554, 781665, 800730, 847224, 937998, 1042220, 1059030, 1067640, 1094331, 1250664, 1412040, 1459108, 1563330, 1601460, 1823885, 1875996, 2084440, 2118060, 2188662, 2344995, 2918216, 3126660, 3202920, 3282993, 3647770, 3751992, 4236120, 4377324, 4689990, 5471655, 6253320, 6565986, 7295540, 8754648, 9379980, 10943310, 13131972, 14591080, 16414965, 18759960, 21886620, 26263944, 32829930, 43773240, 65659860, 131319720]

約数ペア:

[(1, 131319720), (2, 65659860), (3, 43773240), (4, 32829930), (5, 26263944), (6, 21886620), (7, 18759960), (8, 16414965), (9, 14591080), (10, 13131972), (12, 10943310), (14, 9379980), (15, 8754648), (18, 7295540), (20, 6565986), (21, 6253320), (24, 5471655), (28, 4689990), (30, 4377324), (31, 4236120), (35, 3751992), (36, 3647770), (40, 3282993), (41, 3202920), (42, 3126660), (45, 2918216), (56, 2344995), (60, 2188662), (62, 2118060), (63, 2084440), (70, 1875996), (72, 1823885), (82, 1601460), (84, 1563330), (90, 1459108), (93, 1412040), (105, 1250664), (120, 1094331), (123, 1067640), (124, 1059030), (126, 1042220), (140, 937998), (155, 847224), (164, 800730), (168, 781665), (180, 729554), (186, 706020), (205, 640584), (210, 625332), (217, 605160), (246, 533820), (248, 529515), (252, 521110), (279, 470680), (280, 468999), (287, 457560), (310, 423612), (315, 416888), (328, 400365), (360, 364777), (369, 355880), (372, 353010), (410, 320292), (420, 312666), (434, 302580), (465, 282408), (492, 266910), (504, 260555), (558, 235340), (574, 228780), (615, 213528), (620, 211806), (630, 208444), (651, 201720), (738, 177940), (744, 176505), (820, 160146), (840, 156333), (861, 152520), (868, 151290), (930, 141204), (984, 133455), (1085, 121032), (1116, 117670), (1148, 114390), (1230, 106764), (1240, 105903), (1260, 104222), (1271, 103320), (1302, 100860), (1395, 94136), (1435, 91512), (1476, 88970), (1640, 80073), (1681, 78120), (1722, 76260), (1736, 75645), (1845, 71176), (1860, 70602), (1953, 67240), (2170, 60516), (2232, 58835), (2296, 57195), (2460, 53382), (2520, 52111), (2542, 51660), (2583, 50840), (2604, 50430), (2790, 47068), (2870, 45756), (2952, 44485), (3255, 40344), (3362, 39060), (3444, 38130), (3690, 35588), (3720, 35301), (3813, 34440), (3906, 33620), (4305, 30504), (4340, 30258), (4920, 26691), (5043, 26040), (5084, 25830), (5166, 25420), (5208, 25215), (5580, 23534), (5740, 22878), (6355, 20664), (6510, 20172), (6724, 19530), (6888, 19065), (7380, 17794), (7626, 17220), (7812, 16810), (8405, 15624), (8610, 15252), (8680, 15129), (8897, 14760), (9765, 13448), (10086, 13020), (10168, 12915), (10332, 12710), (11160, 11767), (11439, 11480)]