28740669.000000000

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7723}}^1$

素因数の和:7757

約数の個数: 144

約数和(自身を含む): 531380304

約数和(自身を除く): 386805744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 7723, 9360, 15446, 18720, 23169, 30892, 38615, 46338, 61784, 69507, 77230, 92676, 100399, 115845, 123568, 139014, 154460, 185352, 200798, 231690, 247136, 278028, 301197, 308920, 347535, 370704, 401596, 463380, 501995, 556056, 602394, 617840, 695070, 741408, 803192, 903591, 926760, 1003990, 1112112, 1204788, 1235680, 1390140, 1505985, 1606384, 1807182, 1853520, 2007980, 2224224, 2409576, 2780280, 3011970, 3212768, 3614364, 3707040, 4015960, 4517955, 4819152, 5560560, 6023940, 7228728, 8031920, 9035910, 9638304, 11121120, 12047880, 14457456, 16063840, 18071820, 24095760, 28914912, 36143640, 48191520, 72287280, 144574560]

約数ペア:

[(1, 144574560), (2, 72287280), (3, 48191520), (4, 36143640), (5, 28914912), (6, 24095760), (8, 18071820), (9, 16063840), (10, 14457456), (12, 12047880), (13, 11121120), (15, 9638304), (16, 9035910), (18, 8031920), (20, 7228728), (24, 6023940), (26, 5560560), (30, 4819152), (32, 4517955), (36, 4015960), (39, 3707040), (40, 3614364), (45, 3212768), (48, 3011970), (52, 2780280), (60, 2409576), (65, 2224224), (72, 2007980), (78, 1853520), (80, 1807182), (90, 1606384), (96, 1505985), (104, 1390140), (117, 1235680), (120, 1204788), (130, 1112112), (144, 1003990), (156, 926760), (160, 903591), (180, 803192), (195, 741408), (208, 695070), (234, 617840), (240, 602394), (260, 556056), (288, 501995), (312, 463380), (360, 401596), (390, 370704), (416, 347535), (468, 308920), (480, 301197), (520, 278028), (585, 247136), (624, 231690), (720, 200798), (780, 185352), (936, 154460), (1040, 139014), (1170, 123568), (1248, 115845), (1440, 100399), (1560, 92676), (1872, 77230), (2080, 69507), (2340, 61784), (3120, 46338), (3744, 38615), (4680, 30892), (6240, 23169), (7723, 18720), (9360, 15446)]