71303820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 235952640

約数和(自身を除く): 164648820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 84, 98, 105, 140, 147, 158, 196, 210, 237, 245, 294, 307, 316, 395, 420, 474, 490, 553, 588, 614, 735, 790, 921, 948, 980, 1106, 1185, 1228, 1470, 1535, 1580, 1659, 1842, 2149, 2212, 2370, 2765, 2940, 3070, 3318, 3684, 3871, 4298, 4605, 4740, 5530, 6140, 6447, 6636, 7742, 8295, 8596, 9210, 10745, 11060, 11613, 12894, 15043, 15484, 16590, 18420, 19355, 21490, 23226, 24253, 25788, 30086, 32235, 33180, 38710, 42980, 45129, 46452, 48506, 58065, 60172, 64470, 72759, 75215, 77420, 90258, 97012, 116130, 121265, 128940, 145518, 150430, 169771, 180516, 225645, 232260, 242530, 291036, 300860, 339542, 363795, 451290, 485060, 509313, 679084, 727590, 848855, 902580, 1018626, 1188397, 1455180, 1697710, 2037252, 2376794, 2546565, 3395420, 3565191, 4753588, 5093130, 5941985, 7130382, 10186260, 11883970, 14260764, 17825955, 23767940, 35651910, 71303820]

約数ペア:

[(1, 71303820), (2, 35651910), (3, 23767940), (4, 17825955), (5, 14260764), (6, 11883970), (7, 10186260), (10, 7130382), (12, 5941985), (14, 5093130), (15, 4753588), (20, 3565191), (21, 3395420), (28, 2546565), (30, 2376794), (35, 2037252), (42, 1697710), (49, 1455180), (60, 1188397), (70, 1018626), (79, 902580), (84, 848855), (98, 727590), (105, 679084), (140, 509313), (147, 485060), (158, 451290), (196, 363795), (210, 339542), (237, 300860), (245, 291036), (294, 242530), (307, 232260), (316, 225645), (395, 180516), (420, 169771), (474, 150430), (490, 145518), (553, 128940), (588, 121265), (614, 116130), (735, 97012), (790, 90258), (921, 77420), (948, 75215), (980, 72759), (1106, 64470), (1185, 60172), (1228, 58065), (1470, 48506), (1535, 46452), (1580, 45129), (1659, 42980), (1842, 38710), (2149, 33180), (2212, 32235), (2370, 30086), (2765, 25788), (2940, 24253), (3070, 23226), (3318, 21490), (3684, 19355), (3871, 18420), (4298, 16590), (4605, 15484), (4740, 15043), (5530, 12894), (6140, 11613), (6447, 11060), (6636, 10745), (7742, 9210), (8295, 8596)]