31305960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 256

約数和(自身を含む): 123379200

約数和(自身を除く): 92073240

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, 41, 42, 45, 54, 56, 60, 63, 70, 72, 82, 84, 90, 101, 105, 108, 120, 123, 126, 135, 140, 164, 168, 180, 189, 202, 205, 210, 216, 246, 252, 270, 280, 287, 303, 315, 328, 360, 369, 378, 404, 410, 420, 492, 504, 505, 540, 574, 606, 615, 630, 707, 738, 756, 808, 820, 840, 861, 909, 945, 984, 1010, 1080, 1107, 1148, 1212, 1230, 1260, 1414, 1435, 1476, 1512, 1515, 1640, 1722, 1818, 1845, 1890, 2020, 2121, 2214, 2296, 2424, 2460, 2520, 2583, 2727, 2828, 2870, 2952, 3030, 3444, 3535, 3636, 3690, 3780, 4040, 4141, 4242, 4305, 4428, 4545, 4920, 5166, 5454, 5535, 5656, 5740, 6060, 6363, 6888, 7070, 7272, 7380, 7560, 7749, 8282, 8484, 8610, 8856, 9090, 10332, 10605, 10908, 11070, 11480, 12120, 12423, 12726, 12915, 13635, 14140, 14760, 15498, 16564, 16968, 17220, 18180, 19089, 20664, 20705, 21210, 21816, 22140, 24846, 25452, 25830, 27270, 28280, 28987, 30996, 31815, 33128, 34440, 36360, 37269, 38178, 38745, 41410, 42420, 44280, 49692, 50904, 51660, 54540, 57974, 61992, 62115, 63630, 74538, 76356, 77490, 82820, 84840, 86961, 95445, 99384, 103320, 109080, 111807, 115948, 124230, 127260, 144935, 149076, 152712, 154980, 165640, 173922, 186345, 190890, 223614, 231896, 248460, 254520, 260883, 289870, 298152, 309960, 347844, 372690, 381780, 434805, 447228, 496920, 521766, 559035, 579740, 695688, 745380, 763560, 782649, 869610, 894456, 1043532, 1118070, 1159480, 1304415, 1490760, 1565298, 1739220, 2087064, 2236140, 2608830, 3130596, 3478440, 3913245, 4472280, 5217660, 6261192, 7826490, 10435320, 15652980, 31305960]

約数ペア:

[(1, 31305960), (2, 15652980), (3, 10435320), (4, 7826490), (5, 6261192), (6, 5217660), (7, 4472280), (8, 3913245), (9, 3478440), (10, 3130596), (12, 2608830), (14, 2236140), (15, 2087064), (18, 1739220), (20, 1565298), (21, 1490760), (24, 1304415), (27, 1159480), (28, 1118070), (30, 1043532), (35, 894456), (36, 869610), (40, 782649), (41, 763560), (42, 745380), (45, 695688), (54, 579740), (56, 559035), (60, 521766), (63, 496920), (70, 447228), (72, 434805), (82, 381780), (84, 372690), (90, 347844), (101, 309960), (105, 298152), (108, 289870), (120, 260883), (123, 254520), (126, 248460), (135, 231896), (140, 223614), (164, 190890), (168, 186345), (180, 173922), (189, 165640), (202, 154980), (205, 152712), (210, 149076), (216, 144935), (246, 127260), (252, 124230), (270, 115948), (280, 111807), (287, 109080), (303, 103320), (315, 99384), (328, 95445), (360, 86961), (369, 84840), (378, 82820), (404, 77490), (410, 76356), (420, 74538), (492, 63630), (504, 62115), (505, 61992), (540, 57974), (574, 54540), (606, 51660), (615, 50904), (630, 49692), (707, 44280), (738, 42420), (756, 41410), (808, 38745), (820, 38178), (840, 37269), (861, 36360), (909, 34440), (945, 33128), (984, 31815), (1010, 30996), (1080, 28987), (1107, 28280), (1148, 27270), (1212, 25830), (1230, 25452), (1260, 24846), (1414, 22140), (1435, 21816), (1476, 21210), (1512, 20705), (1515, 20664), (1640, 19089), (1722, 18180), (1818, 17220), (1845, 16968), (1890, 16564), (2020, 15498), (2121, 14760), (2214, 14140), (2296, 13635), (2424, 12915), (2460, 12726), (2520, 12423), (2583, 12120), (2727, 11480), (2828, 11070), (2870, 10908), (2952, 10605), (3030, 10332), (3444, 9090), (3535, 8856), (3636, 8610), (3690, 8484), (3780, 8282), (4040, 7749), (4141, 7560), (4242, 7380), (4305, 7272), (4428, 7070), (4545, 6888), (4920, 6363), (5166, 6060), (5454, 5740), (5535, 5656)]