64660680

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{2851}}^1$

素因数の和:2881

約数の個数: 160

約数和(自身を含む): 248466240

約数和(自身を除く): 183805560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 2851, 3240, 3780, 4536, 5670, 5702, 7560, 8553, 11340, 11404, 14255, 17106, 19957, 22680, 22808, 25659, 28510, 34212, 39914, 42765, 51318, 57020, 59871, 68424, 76977, 79828, 85530, 99785, 102636, 114040, 119742, 128295, 153954, 159656, 171060, 179613, 199570, 205272, 230931, 239484, 256590, 299355, 307908, 342120, 359226, 384885, 399140, 461862, 478968, 513180, 538839, 598710, 615816, 718452, 769770, 798280, 898065, 923724, 1026360, 1077678, 1154655, 1197420, 1436904, 1539540, 1616517, 1796130, 1847448, 2155356, 2309310, 2394840, 2694195, 3079080, 3233034, 3592260, 4310712, 4618620, 5388390, 6466068, 7184520, 8082585, 9237240, 10776780, 12932136, 16165170, 21553560, 32330340, 64660680]

約数ペア:

[(1, 64660680), (2, 32330340), (3, 21553560), (4, 16165170), (5, 12932136), (6, 10776780), (7, 9237240), (8, 8082585), (9, 7184520), (10, 6466068), (12, 5388390), (14, 4618620), (15, 4310712), (18, 3592260), (20, 3233034), (21, 3079080), (24, 2694195), (27, 2394840), (28, 2309310), (30, 2155356), (35, 1847448), (36, 1796130), (40, 1616517), (42, 1539540), (45, 1436904), (54, 1197420), (56, 1154655), (60, 1077678), (63, 1026360), (70, 923724), (72, 898065), (81, 798280), (84, 769770), (90, 718452), (105, 615816), (108, 598710), (120, 538839), (126, 513180), (135, 478968), (140, 461862), (162, 399140), (168, 384885), (180, 359226), (189, 342120), (210, 307908), (216, 299355), (252, 256590), (270, 239484), (280, 230931), (315, 205272), (324, 199570), (360, 179613), (378, 171060), (405, 159656), (420, 153954), (504, 128295), (540, 119742), (567, 114040), (630, 102636), (648, 99785), (756, 85530), (810, 79828), (840, 76977), (945, 68424), (1080, 59871), (1134, 57020), (1260, 51318), (1512, 42765), (1620, 39914), (1890, 34212), (2268, 28510), (2520, 25659), (2835, 22808), (2851, 22680), (3240, 19957), (3780, 17106), (4536, 14255), (5670, 11404), (5702, 11340), (7560, 8553)]