40415940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7243}}^1$

素因数の和:7289

約数の個数: 72

約数和(自身を含む): 126567168

約数和(自身を除く): 86151228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 7243, 14486, 21729, 28972, 36215, 43458, 65187, 72430, 86916, 108645, 130374, 144860, 217290, 224533, 260748, 325935, 434580, 449066, 651870, 673599, 898132, 1122665, 1303740, 1347198, 2020797, 2245330, 2694396, 3367995, 4041594, 4490660, 6735990, 8083188, 10103985, 13471980, 20207970, 40415940]

約数ペア:

[(1, 40415940), (2, 20207970), (3, 13471980), (4, 10103985), (5, 8083188), (6, 6735990), (9, 4490660), (10, 4041594), (12, 3367995), (15, 2694396), (18, 2245330), (20, 2020797), (30, 1347198), (31, 1303740), (36, 1122665), (45, 898132), (60, 673599), (62, 651870), (90, 449066), (93, 434580), (124, 325935), (155, 260748), (180, 224533), (186, 217290), (279, 144860), (310, 130374), (372, 108645), (465, 86916), (558, 72430), (620, 65187), (930, 43458), (1116, 36215), (1395, 28972), (1860, 21729), (2790, 14486), (5580, 7243)]