78561420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11003}}^1$

素因数の和:11039

約数の個数: 96

約数和(自身を含む): 266208768

約数和(自身を除く): 187647348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 11003, 22006, 33009, 44012, 55015, 66018, 77021, 110030, 132036, 154042, 165045, 187051, 220060, 231063, 308084, 330090, 374102, 385105, 462126, 561153, 660180, 748204, 770210, 924252, 935255, 1122306, 1155315, 1309357, 1540420, 1870510, 2244612, 2310630, 2618714, 2805765, 3741020, 3928071, 4621260, 5237428, 5611530, 6546785, 7856142, 11223060, 13093570, 15712284, 19640355, 26187140, 39280710, 78561420]

約数ペア:

[(1, 78561420), (2, 39280710), (3, 26187140), (4, 19640355), (5, 15712284), (6, 13093570), (7, 11223060), (10, 7856142), (12, 6546785), (14, 5611530), (15, 5237428), (17, 4621260), (20, 3928071), (21, 3741020), (28, 2805765), (30, 2618714), (34, 2310630), (35, 2244612), (42, 1870510), (51, 1540420), (60, 1309357), (68, 1155315), (70, 1122306), (84, 935255), (85, 924252), (102, 770210), (105, 748204), (119, 660180), (140, 561153), (170, 462126), (204, 385105), (210, 374102), (238, 330090), (255, 308084), (340, 231063), (357, 220060), (420, 187051), (476, 165045), (510, 154042), (595, 132036), (714, 110030), (1020, 77021), (1190, 66018), (1428, 55015), (1785, 44012), (2380, 33009), (3570, 22006), (7140, 11003)]