243361240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{829}}^1$

素因数の和:1060

約数の個数: 64

約数和(自身を含む): 564732000

約数和(自身を除く): 321370760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 179, 205, 328, 358, 410, 716, 820, 829, 895, 1432, 1640, 1658, 1790, 3316, 3580, 4145, 6632, 7160, 7339, 8290, 14678, 16580, 29356, 33160, 33989, 36695, 58712, 67978, 73390, 135956, 146780, 148391, 169945, 271912, 293560, 296782, 339890, 593564, 679780, 741955, 1187128, 1359560, 1483910, 2967820, 5935640, 6084031, 12168062, 24336124, 30420155, 48672248, 60840310, 121680620, 243361240]

約数ペア:

[(1, 243361240), (2, 121680620), (4, 60840310), (5, 48672248), (8, 30420155), (10, 24336124), (20, 12168062), (40, 6084031), (41, 5935640), (82, 2967820), (164, 1483910), (179, 1359560), (205, 1187128), (328, 741955), (358, 679780), (410, 593564), (716, 339890), (820, 296782), (829, 293560), (895, 271912), (1432, 169945), (1640, 148391), (1658, 146780), (1790, 135956), (3316, 73390), (3580, 67978), (4145, 58712), (6632, 36695), (7160, 33989), (7339, 33160), (8290, 29356), (14678, 16580)]