31856280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3739}}^1$

素因数の和:3824

約数の個数: 64

約数和(自身を含む): 96940800

約数和(自身を除く): 65084520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 3739, 4260, 7478, 8520, 11217, 14956, 18695, 22434, 29912, 37390, 44868, 56085, 74780, 89736, 112170, 149560, 224340, 265469, 448680, 530938, 796407, 1061876, 1327345, 1592814, 2123752, 2654690, 3185628, 3982035, 5309380, 6371256, 7964070, 10618760, 15928140, 31856280]

約数ペア:

[(1, 31856280), (2, 15928140), (3, 10618760), (4, 7964070), (5, 6371256), (6, 5309380), (8, 3982035), (10, 3185628), (12, 2654690), (15, 2123752), (20, 1592814), (24, 1327345), (30, 1061876), (40, 796407), (60, 530938), (71, 448680), (120, 265469), (142, 224340), (213, 149560), (284, 112170), (355, 89736), (426, 74780), (568, 56085), (710, 44868), (852, 37390), (1065, 29912), (1420, 22434), (1704, 18695), (2130, 14956), (2840, 11217), (3739, 8520), (4260, 7478)]