687742380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^2$

素因数の和:657

約数の個数: 144

約数和(自身を含む): 2311616160

約数和(自身を除く): 1623873780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 313, 351, 390, 468, 540, 585, 626, 702, 780, 939, 1170, 1252, 1404, 1565, 1755, 1878, 2340, 2817, 3130, 3510, 3756, 4069, 4695, 5634, 6260, 7020, 8138, 8451, 9390, 11268, 12207, 14085, 16276, 16902, 18780, 20345, 24414, 28170, 33804, 36621, 40690, 42255, 48828, 56340, 61035, 73242, 81380, 84510, 97969, 109863, 122070, 146484, 169020, 183105, 195938, 219726, 244140, 293907, 366210, 391876, 439452, 489845, 549315, 587814, 732420, 881721, 979690, 1098630, 1175628, 1273597, 1469535, 1763442, 1959380, 2197260, 2547194, 2645163, 2939070, 3526884, 3820791, 4408605, 5094388, 5290326, 5878140, 6367985, 7641582, 8817210, 10580652, 11462373, 12735970, 13225815, 15283164, 17634420, 19103955, 22924746, 25471940, 26451630, 34387119, 38207910, 45849492, 52903260, 57311865, 68774238, 76415820, 114623730, 137548476, 171935595, 229247460, 343871190, 687742380]

約数ペア:

[(1, 687742380), (2, 343871190), (3, 229247460), (4, 171935595), (5, 137548476), (6, 114623730), (9, 76415820), (10, 68774238), (12, 57311865), (13, 52903260), (15, 45849492), (18, 38207910), (20, 34387119), (26, 26451630), (27, 25471940), (30, 22924746), (36, 19103955), (39, 17634420), (45, 15283164), (52, 13225815), (54, 12735970), (60, 11462373), (65, 10580652), (78, 8817210), (90, 7641582), (108, 6367985), (117, 5878140), (130, 5290326), (135, 5094388), (156, 4408605), (180, 3820791), (195, 3526884), (234, 2939070), (260, 2645163), (270, 2547194), (313, 2197260), (351, 1959380), (390, 1763442), (468, 1469535), (540, 1273597), (585, 1175628), (626, 1098630), (702, 979690), (780, 881721), (939, 732420), (1170, 587814), (1252, 549315), (1404, 489845), (1565, 439452), (1755, 391876), (1878, 366210), (2340, 293907), (2817, 244140), (3130, 219726), (3510, 195938), (3756, 183105), (4069, 169020), (4695, 146484), (5634, 122070), (6260, 109863), (7020, 97969), (8138, 84510), (8451, 81380), (9390, 73242), (11268, 61035), (12207, 56340), (14085, 48828), (16276, 42255), (16902, 40690), (18780, 36621), (20345, 33804), (24414, 28170)]