399495840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1709}}^1$

素因数の和:2214

約数の個数: 96

約数和(自身を含む): 1261733760

約数和(自身を除く): 862237920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 487, 974, 1461, 1709, 1948, 2435, 2922, 3418, 3896, 4870, 5127, 5844, 6836, 7305, 7792, 8545, 9740, 10254, 11688, 13672, 14610, 15584, 17090, 19480, 20508, 23376, 25635, 27344, 29220, 34180, 38960, 41016, 46752, 51270, 54688, 58440, 68360, 77920, 82032, 102540, 116880, 136720, 164064, 205080, 233760, 273440, 410160, 820320, 832283, 1664566, 2496849, 3329132, 4161415, 4993698, 6658264, 8322830, 9987396, 12484245, 13316528, 16645660, 19974792, 24968490, 26633056, 33291320, 39949584, 49936980, 66582640, 79899168, 99873960, 133165280, 199747920, 399495840]

約数ペア:

[(1, 399495840), (2, 199747920), (3, 133165280), (4, 99873960), (5, 79899168), (6, 66582640), (8, 49936980), (10, 39949584), (12, 33291320), (15, 26633056), (16, 24968490), (20, 19974792), (24, 16645660), (30, 13316528), (32, 12484245), (40, 9987396), (48, 8322830), (60, 6658264), (80, 4993698), (96, 4161415), (120, 3329132), (160, 2496849), (240, 1664566), (480, 832283), (487, 820320), (974, 410160), (1461, 273440), (1709, 233760), (1948, 205080), (2435, 164064), (2922, 136720), (3418, 116880), (3896, 102540), (4870, 82032), (5127, 77920), (5844, 68360), (6836, 58440), (7305, 54688), (7792, 51270), (8545, 46752), (9740, 41016), (10254, 38960), (11688, 34180), (13672, 29220), (14610, 27344), (15584, 25635), (17090, 23376), (19480, 20508)]