7405020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{653}}^1$

素因数の和:681

約数の個数: 120

約数和(自身を含む): 26589024

約数和(自身を除く): 19184004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 653, 756, 810, 945, 1134, 1260, 1306, 1620, 1890, 1959, 2268, 2612, 2835, 3265, 3780, 3918, 4571, 5670, 5877, 6530, 7836, 9142, 9795, 11340, 11754, 13060, 13713, 17631, 18284, 19590, 22855, 23508, 27426, 29385, 35262, 39180, 41139, 45710, 52893, 54852, 58770, 68565, 70524, 82278, 88155, 91420, 105786, 117540, 123417, 137130, 164556, 176310, 205695, 211572, 246834, 264465, 274260, 352620, 370251, 411390, 493668, 528930, 617085, 740502, 822780, 1057860, 1234170, 1481004, 1851255, 2468340, 3702510, 7405020]

約数ペア:

[(1, 7405020), (2, 3702510), (3, 2468340), (4, 1851255), (5, 1481004), (6, 1234170), (7, 1057860), (9, 822780), (10, 740502), (12, 617085), (14, 528930), (15, 493668), (18, 411390), (20, 370251), (21, 352620), (27, 274260), (28, 264465), (30, 246834), (35, 211572), (36, 205695), (42, 176310), (45, 164556), (54, 137130), (60, 123417), (63, 117540), (70, 105786), (81, 91420), (84, 88155), (90, 82278), (105, 70524), (108, 68565), (126, 58770), (135, 54852), (140, 52893), (162, 45710), (180, 41139), (189, 39180), (210, 35262), (252, 29385), (270, 27426), (315, 23508), (324, 22855), (378, 19590), (405, 18284), (420, 17631), (540, 13713), (567, 13060), (630, 11754), (653, 11340), (756, 9795), (810, 9142), (945, 7836), (1134, 6530), (1260, 5877), (1306, 5670), (1620, 4571), (1890, 3918), (1959, 3780), (2268, 3265), (2612, 2835)]