631440240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{84871}}^1$

素因数の和:84918

約数の個数: 80

約数和(自身を含む): 2020632576

約数和(自身を除く): 1389192336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 84871, 169742, 254613, 339484, 424355, 509226, 678968, 848710, 1018452, 1273065, 1357936, 1697420, 2036904, 2546130, 2631001, 3394840, 4073808, 5092260, 5262002, 6789680, 7893003, 10184520, 10524004, 13155005, 15786006, 20369040, 21048008, 26310010, 31572012, 39465015, 42096016, 52620020, 63144024, 78930030, 105240040, 126288048, 157860060, 210480080, 315720120, 631440240]

約数ペア:

[(1, 631440240), (2, 315720120), (3, 210480080), (4, 157860060), (5, 126288048), (6, 105240040), (8, 78930030), (10, 63144024), (12, 52620020), (15, 42096016), (16, 39465015), (20, 31572012), (24, 26310010), (30, 21048008), (31, 20369040), (40, 15786006), (48, 13155005), (60, 10524004), (62, 10184520), (80, 7893003), (93, 6789680), (120, 5262002), (124, 5092260), (155, 4073808), (186, 3394840), (240, 2631001), (248, 2546130), (310, 2036904), (372, 1697420), (465, 1357936), (496, 1273065), (620, 1018452), (744, 848710), (930, 678968), (1240, 509226), (1488, 424355), (1860, 339484), (2480, 254613), (3720, 169742), (7440, 84871)]