420101640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{18523}}^1$

素因数の和:18553

約数の個数: 160

約数和(自身を含む): 1613810880

約数和(自身を除く): 1193709240

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, 3240, 3780, 4536, 5670, 7560, 11340, 18523, 22680, 37046, 55569, 74092, 92615, 111138, 129661, 148184, 166707, 185230, 222276, 259322, 277845, 333414, 370460, 388983, 444552, 500121, 518644, 555690, 648305, 666828, 740920, 777966, 833535, 1000242, 1037288, 1111380, 1166949, 1296610, 1333656, 1500363, 1555932, 1667070, 1944915, 2000484, 2222760, 2333898, 2500605, 2593220, 3000726, 3111864, 3334140, 3500847, 3889830, 4000968, 4667796, 5001210, 5186440, 5834745, 6001452, 6668280, 7001694, 7501815, 7779660, 9335592, 10002420, 10502541, 11669490, 12002904, 14003388, 15003630, 15559320, 17504235, 20004840, 21005082, 23338980, 28006776, 30007260, 35008470, 42010164, 46677960, 52512705, 60014520, 70016940, 84020328, 105025410, 140033880, 210050820, 420101640]

約数ペア:

[(1, 420101640), (2, 210050820), (3, 140033880), (4, 105025410), (5, 84020328), (6, 70016940), (7, 60014520), (8, 52512705), (9, 46677960), (10, 42010164), (12, 35008470), (14, 30007260), (15, 28006776), (18, 23338980), (20, 21005082), (21, 20004840), (24, 17504235), (27, 15559320), (28, 15003630), (30, 14003388), (35, 12002904), (36, 11669490), (40, 10502541), (42, 10002420), (45, 9335592), (54, 7779660), (56, 7501815), (60, 7001694), (63, 6668280), (70, 6001452), (72, 5834745), (81, 5186440), (84, 5001210), (90, 4667796), (105, 4000968), (108, 3889830), (120, 3500847), (126, 3334140), (135, 3111864), (140, 3000726), (162, 2593220), (168, 2500605), (180, 2333898), (189, 2222760), (210, 2000484), (216, 1944915), (252, 1667070), (270, 1555932), (280, 1500363), (315, 1333656), (324, 1296610), (360, 1166949), (378, 1111380), (405, 1037288), (420, 1000242), (504, 833535), (540, 777966), (567, 740920), (630, 666828), (648, 648305), (756, 555690), (810, 518644), (840, 500121), (945, 444552), (1080, 388983), (1134, 370460), (1260, 333414), (1512, 277845), (1620, 259322), (1890, 222276), (2268, 185230), (2520, 166707), (2835, 148184), (3240, 129661), (3780, 111138), (4536, 92615), (5670, 74092), (7560, 55569), (11340, 37046), (18523, 22680)]