12783160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 32676480

約数和(自身を除く): 19893320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 61, 62, 65, 104, 122, 124, 130, 155, 169, 244, 248, 260, 305, 310, 338, 403, 488, 520, 610, 620, 676, 793, 806, 845, 1220, 1240, 1352, 1586, 1612, 1690, 1891, 2015, 2440, 3172, 3224, 3380, 3782, 3965, 4030, 5239, 6344, 6760, 7564, 7930, 8060, 9455, 10309, 10478, 15128, 15860, 16120, 18910, 20618, 20956, 24583, 26195, 31720, 37820, 41236, 41912, 49166, 51545, 52390, 75640, 82472, 98332, 103090, 104780, 122915, 196664, 206180, 209560, 245830, 319579, 412360, 491660, 639158, 983320, 1278316, 1597895, 2556632, 3195790, 6391580, 12783160]

約数ペア:

[(1, 12783160), (2, 6391580), (4, 3195790), (5, 2556632), (8, 1597895), (10, 1278316), (13, 983320), (20, 639158), (26, 491660), (31, 412360), (40, 319579), (52, 245830), (61, 209560), (62, 206180), (65, 196664), (104, 122915), (122, 104780), (124, 103090), (130, 98332), (155, 82472), (169, 75640), (244, 52390), (248, 51545), (260, 49166), (305, 41912), (310, 41236), (338, 37820), (403, 31720), (488, 26195), (520, 24583), (610, 20956), (620, 20618), (676, 18910), (793, 16120), (806, 15860), (845, 15128), (1220, 10478), (1240, 10309), (1352, 9455), (1586, 8060), (1612, 7930), (1690, 7564), (1891, 6760), (2015, 6344), (2440, 5239), (3172, 4030), (3224, 3965), (3380, 3782)]