81187680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:429

約数の個数: 192

約数和(自身を含む): 297174528

約数和(自身を除く): 215986848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 96, 105, 112, 120, 140, 146, 160, 168, 210, 219, 224, 240, 280, 292, 331, 336, 365, 420, 438, 480, 511, 560, 584, 662, 672, 730, 840, 876, 993, 1022, 1095, 1120, 1168, 1324, 1460, 1533, 1655, 1680, 1752, 1986, 2044, 2190, 2317, 2336, 2555, 2648, 2920, 3066, 3310, 3360, 3504, 3972, 4088, 4380, 4634, 4965, 5110, 5296, 5840, 6132, 6620, 6951, 7008, 7665, 7944, 8176, 8760, 9268, 9930, 10220, 10592, 11585, 11680, 12264, 13240, 13902, 15330, 15888, 16352, 17520, 18536, 19860, 20440, 23170, 24163, 24528, 26480, 27804, 30660, 31776, 34755, 35040, 37072, 39720, 40880, 46340, 48326, 49056, 52960, 55608, 61320, 69510, 72489, 74144, 79440, 81760, 92680, 96652, 111216, 120815, 122640, 139020, 144978, 158880, 169141, 185360, 193304, 222432, 241630, 245280, 278040, 289956, 338282, 362445, 370720, 386608, 483260, 507423, 556080, 579912, 676564, 724890, 773216, 845705, 966520, 1014846, 1112160, 1159824, 1353128, 1449780, 1691410, 1933040, 2029692, 2319648, 2537115, 2706256, 2899560, 3382820, 3866080, 4059384, 5074230, 5412512, 5799120, 6765640, 8118768, 10148460, 11598240, 13531280, 16237536, 20296920, 27062560, 40593840, 81187680]

約数ペア:

[(1, 81187680), (2, 40593840), (3, 27062560), (4, 20296920), (5, 16237536), (6, 13531280), (7, 11598240), (8, 10148460), (10, 8118768), (12, 6765640), (14, 5799120), (15, 5412512), (16, 5074230), (20, 4059384), (21, 3866080), (24, 3382820), (28, 2899560), (30, 2706256), (32, 2537115), (35, 2319648), (40, 2029692), (42, 1933040), (48, 1691410), (56, 1449780), (60, 1353128), (70, 1159824), (73, 1112160), (80, 1014846), (84, 966520), (96, 845705), (105, 773216), (112, 724890), (120, 676564), (140, 579912), (146, 556080), (160, 507423), (168, 483260), (210, 386608), (219, 370720), (224, 362445), (240, 338282), (280, 289956), (292, 278040), (331, 245280), (336, 241630), (365, 222432), (420, 193304), (438, 185360), (480, 169141), (511, 158880), (560, 144978), (584, 139020), (662, 122640), (672, 120815), (730, 111216), (840, 96652), (876, 92680), (993, 81760), (1022, 79440), (1095, 74144), (1120, 72489), (1168, 69510), (1324, 61320), (1460, 55608), (1533, 52960), (1655, 49056), (1680, 48326), (1752, 46340), (1986, 40880), (2044, 39720), (2190, 37072), (2317, 35040), (2336, 34755), (2555, 31776), (2648, 30660), (2920, 27804), (3066, 26480), (3310, 24528), (3360, 24163), (3504, 23170), (3972, 20440), (4088, 19860), (4380, 18536), (4634, 17520), (4965, 16352), (5110, 15888), (5296, 15330), (5840, 13902), (6132, 13240), (6620, 12264), (6951, 11680), (7008, 11585), (7665, 10592), (7944, 10220), (8176, 9930), (8760, 9268)]