72831560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 175435200

約数和(自身を除く): 102603640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 1571, 2318, 2440, 3142, 4636, 5795, 6284, 7855, 9272, 11590, 12568, 15710, 23180, 29849, 31420, 46360, 59698, 62840, 95831, 119396, 149245, 191662, 238792, 298490, 383324, 479155, 596980, 766648, 958310, 1193960, 1820789, 1916620, 3641578, 3833240, 7283156, 9103945, 14566312, 18207890, 36415780, 72831560]

約数ペア:

[(1, 72831560), (2, 36415780), (4, 18207890), (5, 14566312), (8, 9103945), (10, 7283156), (19, 3833240), (20, 3641578), (38, 1916620), (40, 1820789), (61, 1193960), (76, 958310), (95, 766648), (122, 596980), (152, 479155), (190, 383324), (244, 298490), (305, 238792), (380, 191662), (488, 149245), (610, 119396), (760, 95831), (1159, 62840), (1220, 59698), (1571, 46360), (2318, 31420), (2440, 29849), (3142, 23180), (4636, 15710), (5795, 12568), (6284, 11590), (7855, 9272)]