31139640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{1373}}^1$

素因数の和:1403

約数の個数: 160

約数和(自身を含む): 119702880

約数和(自身を除く): 88563240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1373, 1512, 1620, 1890, 2268, 2520, 2746, 2835, 3240, 3780, 4119, 4536, 5492, 5670, 6865, 7560, 8238, 9611, 10984, 11340, 12357, 13730, 16476, 19222, 20595, 22680, 24714, 27460, 28833, 32952, 37071, 38444, 41190, 48055, 49428, 54920, 57666, 61785, 74142, 76888, 82380, 86499, 96110, 98856, 111213, 115332, 123570, 144165, 148284, 164760, 172998, 185355, 192220, 222426, 230664, 247140, 259497, 288330, 296568, 345996, 370710, 384440, 432495, 444852, 494280, 518994, 556065, 576660, 691992, 741420, 778491, 864990, 889704, 1037988, 1112130, 1153320, 1297485, 1482840, 1556982, 1729980, 2075976, 2224260, 2594970, 3113964, 3459960, 3892455, 4448520, 5189940, 6227928, 7784910, 10379880, 15569820, 31139640]

約数ペア:

[(1, 31139640), (2, 15569820), (3, 10379880), (4, 7784910), (5, 6227928), (6, 5189940), (7, 4448520), (8, 3892455), (9, 3459960), (10, 3113964), (12, 2594970), (14, 2224260), (15, 2075976), (18, 1729980), (20, 1556982), (21, 1482840), (24, 1297485), (27, 1153320), (28, 1112130), (30, 1037988), (35, 889704), (36, 864990), (40, 778491), (42, 741420), (45, 691992), (54, 576660), (56, 556065), (60, 518994), (63, 494280), (70, 444852), (72, 432495), (81, 384440), (84, 370710), (90, 345996), (105, 296568), (108, 288330), (120, 259497), (126, 247140), (135, 230664), (140, 222426), (162, 192220), (168, 185355), (180, 172998), (189, 164760), (210, 148284), (216, 144165), (252, 123570), (270, 115332), (280, 111213), (315, 98856), (324, 96110), (360, 86499), (378, 82380), (405, 76888), (420, 74142), (504, 61785), (540, 57666), (567, 54920), (630, 49428), (648, 48055), (756, 41190), (810, 38444), (840, 37071), (945, 32952), (1080, 28833), (1134, 27460), (1260, 24714), (1373, 22680), (1512, 20595), (1620, 19222), (1890, 16476), (2268, 13730), (2520, 12357), (2746, 11340), (2835, 10984), (3240, 9611), (3780, 8238), (4119, 7560), (4536, 6865), (5492, 5670)]