68507040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{20389}}^1$

素因数の和:20414

約数の個数: 96

約数和(自身を含む): 246637440

約数和(自身を除く): 178130400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 20389, 40778, 61167, 81556, 101945, 122334, 142723, 163112, 203890, 244668, 285446, 305835, 326224, 407780, 428169, 489336, 570892, 611670, 652448, 713615, 815560, 856338, 978672, 1141784, 1223340, 1427230, 1631120, 1712676, 1957344, 2140845, 2283568, 2446680, 2854460, 3262240, 3425352, 4281690, 4567136, 4893360, 5708920, 6850704, 8563380, 9786720, 11417840, 13701408, 17126760, 22835680, 34253520, 68507040]

約数ペア:

[(1, 68507040), (2, 34253520), (3, 22835680), (4, 17126760), (5, 13701408), (6, 11417840), (7, 9786720), (8, 8563380), (10, 6850704), (12, 5708920), (14, 4893360), (15, 4567136), (16, 4281690), (20, 3425352), (21, 3262240), (24, 2854460), (28, 2446680), (30, 2283568), (32, 2140845), (35, 1957344), (40, 1712676), (42, 1631120), (48, 1427230), (56, 1223340), (60, 1141784), (70, 978672), (80, 856338), (84, 815560), (96, 713615), (105, 652448), (112, 611670), (120, 570892), (140, 489336), (160, 428169), (168, 407780), (210, 326224), (224, 305835), (240, 285446), (280, 244668), (336, 203890), (420, 163112), (480, 142723), (560, 122334), (672, 101945), (840, 81556), (1120, 61167), (1680, 40778), (3360, 20389)]