68651940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1274

約数の個数: 144

約数和(自身を含む): 235569600

約数和(自身を除く): 166917660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1229, 1330, 1470, 1596, 1862, 1995, 2458, 2660, 2793, 2940, 3687, 3724, 3990, 4655, 4916, 5586, 6145, 7374, 7980, 8603, 9310, 11172, 12290, 13965, 14748, 17206, 18435, 18620, 23351, 24580, 25809, 27930, 34412, 36870, 43015, 46702, 51618, 55860, 60221, 70053, 73740, 86030, 93404, 103236, 116755, 120442, 129045, 140106, 163457, 172060, 180663, 233510, 240884, 258090, 280212, 301105, 326914, 350265, 361326, 467020, 490371, 516180, 602210, 653828, 700530, 722652, 817285, 903315, 980742, 1144199, 1204420, 1401060, 1634570, 1806630, 1961484, 2288398, 2451855, 3269140, 3432597, 3613260, 4576796, 4903710, 5720995, 6865194, 9807420, 11441990, 13730388, 17162985, 22883980, 34325970, 68651940]

約数ペア:

[(1, 68651940), (2, 34325970), (3, 22883980), (4, 17162985), (5, 13730388), (6, 11441990), (7, 9807420), (10, 6865194), (12, 5720995), (14, 4903710), (15, 4576796), (19, 3613260), (20, 3432597), (21, 3269140), (28, 2451855), (30, 2288398), (35, 1961484), (38, 1806630), (42, 1634570), (49, 1401060), (57, 1204420), (60, 1144199), (70, 980742), (76, 903315), (84, 817285), (95, 722652), (98, 700530), (105, 653828), (114, 602210), (133, 516180), (140, 490371), (147, 467020), (190, 361326), (196, 350265), (210, 326914), (228, 301105), (245, 280212), (266, 258090), (285, 240884), (294, 233510), (380, 180663), (399, 172060), (420, 163457), (490, 140106), (532, 129045), (570, 120442), (588, 116755), (665, 103236), (735, 93404), (798, 86030), (931, 73740), (980, 70053), (1140, 60221), (1229, 55860), (1330, 51618), (1470, 46702), (1596, 43015), (1862, 36870), (1995, 34412), (2458, 27930), (2660, 25809), (2793, 24580), (2940, 23351), (3687, 18620), (3724, 18435), (3990, 17206), (4655, 14748), (4916, 13965), (5586, 12290), (6145, 11172), (7374, 9310), (7980, 8603)]