15826980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 48432384

約数和(自身を除く): 32605404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 103, 130, 156, 195, 197, 206, 260, 309, 390, 394, 412, 515, 591, 618, 780, 788, 985, 1030, 1182, 1236, 1339, 1545, 1970, 2060, 2364, 2561, 2678, 2955, 3090, 3940, 4017, 5122, 5356, 5910, 6180, 6695, 7683, 8034, 10244, 11820, 12805, 13390, 15366, 16068, 20085, 20291, 25610, 26780, 30732, 38415, 40170, 40582, 51220, 60873, 76830, 80340, 81164, 101455, 121746, 153660, 202910, 243492, 263783, 304365, 405820, 527566, 608730, 791349, 1055132, 1217460, 1318915, 1582698, 2637830, 3165396, 3956745, 5275660, 7913490, 15826980]

約数ペア:

[(1, 15826980), (2, 7913490), (3, 5275660), (4, 3956745), (5, 3165396), (6, 2637830), (10, 1582698), (12, 1318915), (13, 1217460), (15, 1055132), (20, 791349), (26, 608730), (30, 527566), (39, 405820), (52, 304365), (60, 263783), (65, 243492), (78, 202910), (103, 153660), (130, 121746), (156, 101455), (195, 81164), (197, 80340), (206, 76830), (260, 60873), (309, 51220), (390, 40582), (394, 40170), (412, 38415), (515, 30732), (591, 26780), (618, 25610), (780, 20291), (788, 20085), (985, 16068), (1030, 15366), (1182, 13390), (1236, 12805), (1339, 11820), (1545, 10244), (1970, 8034), (2060, 7683), (2364, 6695), (2561, 6180), (2678, 5910), (2955, 5356), (3090, 5122), (3940, 4017)]