31894980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:525

約数の個数: 96

約数和(自身を含む): 97353984

約数和(自身を除く): 65459004

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, 206, 260, 309, 390, 397, 412, 515, 618, 780, 794, 1030, 1191, 1236, 1339, 1545, 1588, 1985, 2060, 2382, 2678, 3090, 3970, 4017, 4764, 5161, 5356, 5955, 6180, 6695, 7940, 8034, 10322, 11910, 13390, 15483, 16068, 20085, 20644, 23820, 25805, 26780, 30966, 40170, 40891, 51610, 61932, 77415, 80340, 81782, 103220, 122673, 154830, 163564, 204455, 245346, 309660, 408910, 490692, 531583, 613365, 817820, 1063166, 1226730, 1594749, 2126332, 2453460, 2657915, 3189498, 5315830, 6378996, 7973745, 10631660, 15947490, 31894980]

約数ペア:

[(1, 31894980), (2, 15947490), (3, 10631660), (4, 7973745), (5, 6378996), (6, 5315830), (10, 3189498), (12, 2657915), (13, 2453460), (15, 2126332), (20, 1594749), (26, 1226730), (30, 1063166), (39, 817820), (52, 613365), (60, 531583), (65, 490692), (78, 408910), (103, 309660), (130, 245346), (156, 204455), (195, 163564), (206, 154830), (260, 122673), (309, 103220), (390, 81782), (397, 80340), (412, 77415), (515, 61932), (618, 51610), (780, 40891), (794, 40170), (1030, 30966), (1191, 26780), (1236, 25805), (1339, 23820), (1545, 20644), (1588, 20085), (1985, 16068), (2060, 15483), (2382, 13390), (2678, 11910), (3090, 10322), (3970, 8034), (4017, 7940), (4764, 6695), (5161, 6180), (5356, 5955)]