71440120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3389}}^1$

素因数の和:3448

約数の個数: 64

約数和(自身を含む): 175737600

約数和(自身を除く): 104297480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 3389, 4216, 5270, 6778, 10540, 13556, 16945, 21080, 27112, 33890, 57613, 67780, 105059, 115226, 135560, 210118, 230452, 288065, 420236, 460904, 525295, 576130, 840472, 1050590, 1152260, 1786003, 2101180, 2304520, 3572006, 4202360, 7144012, 8930015, 14288024, 17860030, 35720060, 71440120]

約数ペア:

[(1, 71440120), (2, 35720060), (4, 17860030), (5, 14288024), (8, 8930015), (10, 7144012), (17, 4202360), (20, 3572006), (31, 2304520), (34, 2101180), (40, 1786003), (62, 1152260), (68, 1050590), (85, 840472), (124, 576130), (136, 525295), (155, 460904), (170, 420236), (248, 288065), (310, 230452), (340, 210118), (527, 135560), (620, 115226), (680, 105059), (1054, 67780), (1240, 57613), (2108, 33890), (2635, 27112), (3389, 21080), (4216, 16945), (5270, 13556), (6778, 10540)]