145663120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1664

約数の個数: 80

約数和(自身を含む): 362566080

約数和(自身を除く): 216902960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 976, 1159, 1220, 1520, 1571, 2318, 2440, 3142, 4636, 4880, 5795, 6284, 7855, 9272, 11590, 12568, 15710, 18544, 23180, 25136, 29849, 31420, 46360, 59698, 62840, 92720, 95831, 119396, 125680, 149245, 191662, 238792, 298490, 383324, 477584, 479155, 596980, 766648, 958310, 1193960, 1533296, 1820789, 1916620, 2387920, 3641578, 3833240, 7283156, 7666480, 9103945, 14566312, 18207890, 29132624, 36415780, 72831560, 145663120]

約数ペア:

[(1, 145663120), (2, 72831560), (4, 36415780), (5, 29132624), (8, 18207890), (10, 14566312), (16, 9103945), (19, 7666480), (20, 7283156), (38, 3833240), (40, 3641578), (61, 2387920), (76, 1916620), (80, 1820789), (95, 1533296), (122, 1193960), (152, 958310), (190, 766648), (244, 596980), (304, 479155), (305, 477584), (380, 383324), (488, 298490), (610, 238792), (760, 191662), (976, 149245), (1159, 125680), (1220, 119396), (1520, 95831), (1571, 92720), (2318, 62840), (2440, 59698), (3142, 46360), (4636, 31420), (4880, 29849), (5795, 25136), (6284, 23180), (7855, 18544), (9272, 15710), (11590, 12568)]