160845720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{457}}^1$

素因数の和:897

約数の個数: 128

約数和(自身を含む): 553996800

約数和(自身を除く): 393151080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 419, 420, 457, 838, 840, 914, 1257, 1371, 1676, 1828, 2095, 2285, 2514, 2742, 2933, 3199, 3352, 3656, 4190, 4570, 5028, 5484, 5866, 6285, 6398, 6855, 8380, 8799, 9140, 9597, 10056, 10968, 11732, 12570, 12796, 13710, 14665, 15995, 16760, 17598, 18280, 19194, 23464, 25140, 25592, 27420, 29330, 31990, 35196, 38388, 43995, 47985, 50280, 54840, 58660, 63980, 70392, 76776, 87990, 95970, 117320, 127960, 175980, 191483, 191940, 351960, 382966, 383880, 574449, 765932, 957415, 1148898, 1340381, 1531864, 1914830, 2297796, 2680762, 2872245, 3829660, 4021143, 4595592, 5361524, 5744490, 6701905, 7659320, 8042286, 10723048, 11488980, 13403810, 16084572, 20105715, 22977960, 26807620, 32169144, 40211430, 53615240, 80422860, 160845720]

約数ペア:

[(1, 160845720), (2, 80422860), (3, 53615240), (4, 40211430), (5, 32169144), (6, 26807620), (7, 22977960), (8, 20105715), (10, 16084572), (12, 13403810), (14, 11488980), (15, 10723048), (20, 8042286), (21, 7659320), (24, 6701905), (28, 5744490), (30, 5361524), (35, 4595592), (40, 4021143), (42, 3829660), (56, 2872245), (60, 2680762), (70, 2297796), (84, 1914830), (105, 1531864), (120, 1340381), (140, 1148898), (168, 957415), (210, 765932), (280, 574449), (419, 383880), (420, 382966), (457, 351960), (838, 191940), (840, 191483), (914, 175980), (1257, 127960), (1371, 117320), (1676, 95970), (1828, 87990), (2095, 76776), (2285, 70392), (2514, 63980), (2742, 58660), (2933, 54840), (3199, 50280), (3352, 47985), (3656, 43995), (4190, 38388), (4570, 35196), (5028, 31990), (5484, 29330), (5866, 27420), (6285, 25592), (6398, 25140), (6855, 23464), (8380, 19194), (8799, 18280), (9140, 17598), (9597, 16760), (10056, 15995), (10968, 14665), (11732, 13710), (12570, 12796)]