31461720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13799}}^1$

素因数の和:13832

約数の個数: 64

約数和(自身を含む): 99360000

約数和(自身を除く): 67898280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 13799, 27598, 41397, 55196, 68995, 82794, 110392, 137990, 165588, 206985, 262181, 275980, 331176, 413970, 524362, 551960, 786543, 827940, 1048724, 1310905, 1573086, 1655880, 2097448, 2621810, 3146172, 3932715, 5243620, 6292344, 7865430, 10487240, 15730860, 31461720]

約数ペア:

[(1, 31461720), (2, 15730860), (3, 10487240), (4, 7865430), (5, 6292344), (6, 5243620), (8, 3932715), (10, 3146172), (12, 2621810), (15, 2097448), (19, 1655880), (20, 1573086), (24, 1310905), (30, 1048724), (38, 827940), (40, 786543), (57, 551960), (60, 524362), (76, 413970), (95, 331176), (114, 275980), (120, 262181), (152, 206985), (190, 165588), (228, 137990), (285, 110392), (380, 82794), (456, 68995), (570, 55196), (760, 41397), (1140, 27598), (2280, 13799)]