81836640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3343}}^1$

素因数の和:3381

約数の個数: 144

約数和(自身を含む): 295783488

約数和(自身を除く): 213946848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 3343, 4080, 4896, 6120, 6686, 8160, 10029, 12240, 13372, 16715, 20058, 24480, 26744, 30087, 33430, 40116, 50145, 53488, 56831, 60174, 66860, 80232, 100290, 106976, 113662, 120348, 133720, 150435, 160464, 170493, 200580, 227324, 240696, 267440, 284155, 300870, 320928, 340986, 401160, 454648, 481392, 511479, 534880, 568310, 601740, 681972, 802320, 852465, 909296, 962784, 1022958, 1136620, 1203480, 1363944, 1604640, 1704930, 1818592, 2045916, 2273240, 2406960, 2557395, 2727888, 3409860, 4091832, 4546480, 4813920, 5114790, 5455776, 6819720, 8183664, 9092960, 10229580, 13639440, 16367328, 20459160, 27278880, 40918320, 81836640]

約数ペア:

[(1, 81836640), (2, 40918320), (3, 27278880), (4, 20459160), (5, 16367328), (6, 13639440), (8, 10229580), (9, 9092960), (10, 8183664), (12, 6819720), (15, 5455776), (16, 5114790), (17, 4813920), (18, 4546480), (20, 4091832), (24, 3409860), (30, 2727888), (32, 2557395), (34, 2406960), (36, 2273240), (40, 2045916), (45, 1818592), (48, 1704930), (51, 1604640), (60, 1363944), (68, 1203480), (72, 1136620), (80, 1022958), (85, 962784), (90, 909296), (96, 852465), (102, 802320), (120, 681972), (136, 601740), (144, 568310), (153, 534880), (160, 511479), (170, 481392), (180, 454648), (204, 401160), (240, 340986), (255, 320928), (272, 300870), (288, 284155), (306, 267440), (340, 240696), (360, 227324), (408, 200580), (480, 170493), (510, 160464), (544, 150435), (612, 133720), (680, 120348), (720, 113662), (765, 106976), (816, 100290), (1020, 80232), (1224, 66860), (1360, 60174), (1440, 56831), (1530, 53488), (1632, 50145), (2040, 40116), (2448, 33430), (2720, 30087), (3060, 26744), (3343, 24480), (4080, 20058), (4896, 16715), (6120, 13372), (6686, 12240), (8160, 10029)]