31721820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:699

約数の個数: 96

約数和(自身を含む): 97241088

約数和(自身を除く): 65519268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 67, 78, 130, 134, 156, 195, 201, 260, 268, 335, 390, 402, 607, 670, 780, 804, 871, 1005, 1214, 1340, 1742, 1821, 2010, 2428, 2613, 3035, 3484, 3642, 4020, 4355, 5226, 6070, 7284, 7891, 8710, 9105, 10452, 12140, 13065, 15782, 17420, 18210, 23673, 26130, 31564, 36420, 39455, 40669, 47346, 52260, 78910, 81338, 94692, 118365, 122007, 157820, 162676, 203345, 236730, 244014, 406690, 473460, 488028, 528697, 610035, 813380, 1057394, 1220070, 1586091, 2114788, 2440140, 2643485, 3172182, 5286970, 6344364, 7930455, 10573940, 15860910, 31721820]

約数ペア:

[(1, 31721820), (2, 15860910), (3, 10573940), (4, 7930455), (5, 6344364), (6, 5286970), (10, 3172182), (12, 2643485), (13, 2440140), (15, 2114788), (20, 1586091), (26, 1220070), (30, 1057394), (39, 813380), (52, 610035), (60, 528697), (65, 488028), (67, 473460), (78, 406690), (130, 244014), (134, 236730), (156, 203345), (195, 162676), (201, 157820), (260, 122007), (268, 118365), (335, 94692), (390, 81338), (402, 78910), (607, 52260), (670, 47346), (780, 40669), (804, 39455), (871, 36420), (1005, 31564), (1214, 26130), (1340, 23673), (1742, 18210), (1821, 17420), (2010, 15782), (2428, 13065), (2613, 12140), (3035, 10452), (3484, 9105), (3642, 8710), (4020, 7891), (4355, 7284), (5226, 6070)]