8381880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:235

約数の個数: 160

約数和(自身を含む): 30492000

約数和(自身を除く): 22110120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 199, 216, 234, 260, 270, 312, 324, 351, 360, 390, 398, 405, 468, 520, 540, 585, 597, 648, 702, 780, 796, 810, 936, 995, 1053, 1080, 1170, 1194, 1404, 1560, 1592, 1620, 1755, 1791, 1990, 2106, 2340, 2388, 2587, 2808, 2985, 3240, 3510, 3582, 3980, 4212, 4680, 4776, 5174, 5265, 5373, 5970, 7020, 7164, 7761, 7960, 8424, 8955, 10348, 10530, 10746, 11940, 12935, 14040, 14328, 15522, 16119, 17910, 20696, 21060, 21492, 23283, 23880, 25870, 26865, 31044, 32238, 35820, 38805, 42120, 42984, 46566, 51740, 53730, 62088, 64476, 69849, 71640, 77610, 80595, 93132, 103480, 107460, 116415, 128952, 139698, 155220, 161190, 186264, 209547, 214920, 232830, 279396, 310440, 322380, 349245, 419094, 465660, 558792, 644760, 698490, 838188, 931320, 1047735, 1396980, 1676376, 2095470, 2793960, 4190940, 8381880]

約数ペア:

[(1, 8381880), (2, 4190940), (3, 2793960), (4, 2095470), (5, 1676376), (6, 1396980), (8, 1047735), (9, 931320), (10, 838188), (12, 698490), (13, 644760), (15, 558792), (18, 465660), (20, 419094), (24, 349245), (26, 322380), (27, 310440), (30, 279396), (36, 232830), (39, 214920), (40, 209547), (45, 186264), (52, 161190), (54, 155220), (60, 139698), (65, 128952), (72, 116415), (78, 107460), (81, 103480), (90, 93132), (104, 80595), (108, 77610), (117, 71640), (120, 69849), (130, 64476), (135, 62088), (156, 53730), (162, 51740), (180, 46566), (195, 42984), (199, 42120), (216, 38805), (234, 35820), (260, 32238), (270, 31044), (312, 26865), (324, 25870), (351, 23880), (360, 23283), (390, 21492), (398, 21060), (405, 20696), (468, 17910), (520, 16119), (540, 15522), (585, 14328), (597, 14040), (648, 12935), (702, 11940), (780, 10746), (796, 10530), (810, 10348), (936, 8955), (995, 8424), (1053, 7960), (1080, 7761), (1170, 7164), (1194, 7020), (1404, 5970), (1560, 5373), (1592, 5265), (1620, 5174), (1755, 4776), (1791, 4680), (1990, 4212), (2106, 3980), (2340, 3582), (2388, 3510), (2587, 3240), (2808, 2985)]