228567780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{641}}^1$

素因数の和:946

約数の個数: 144

約数和(自身を含む): 796408704

約数和(自身を除く): 567840924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 283, 315, 420, 566, 630, 641, 849, 1132, 1260, 1282, 1415, 1698, 1923, 1981, 2547, 2564, 2830, 3205, 3396, 3846, 3962, 4245, 4487, 5094, 5660, 5769, 5943, 6410, 7692, 7924, 8490, 8974, 9615, 9905, 10188, 11538, 11886, 12735, 12820, 13461, 16980, 17829, 17948, 19230, 19810, 22435, 23076, 23772, 25470, 26922, 28845, 29715, 35658, 38460, 39620, 40383, 44870, 50940, 53844, 57690, 59430, 67305, 71316, 80766, 89145, 89740, 115380, 118860, 134610, 161532, 178290, 181403, 201915, 269220, 356580, 362806, 403830, 544209, 725612, 807660, 907015, 1088418, 1269821, 1632627, 1814030, 2176836, 2539642, 2721045, 3265254, 3628060, 3809463, 5079284, 5442090, 6349105, 6530508, 7618926, 8163135, 10884180, 11428389, 12698210, 15237852, 16326270, 19047315, 22856778, 25396420, 32652540, 38094630, 45713556, 57141945, 76189260, 114283890, 228567780]

約数ペア:

[(1, 228567780), (2, 114283890), (3, 76189260), (4, 57141945), (5, 45713556), (6, 38094630), (7, 32652540), (9, 25396420), (10, 22856778), (12, 19047315), (14, 16326270), (15, 15237852), (18, 12698210), (20, 11428389), (21, 10884180), (28, 8163135), (30, 7618926), (35, 6530508), (36, 6349105), (42, 5442090), (45, 5079284), (60, 3809463), (63, 3628060), (70, 3265254), (84, 2721045), (90, 2539642), (105, 2176836), (126, 1814030), (140, 1632627), (180, 1269821), (210, 1088418), (252, 907015), (283, 807660), (315, 725612), (420, 544209), (566, 403830), (630, 362806), (641, 356580), (849, 269220), (1132, 201915), (1260, 181403), (1282, 178290), (1415, 161532), (1698, 134610), (1923, 118860), (1981, 115380), (2547, 89740), (2564, 89145), (2830, 80766), (3205, 71316), (3396, 67305), (3846, 59430), (3962, 57690), (4245, 53844), (4487, 50940), (5094, 44870), (5660, 40383), (5769, 39620), (5943, 38460), (6410, 35658), (7692, 29715), (7924, 28845), (8490, 26922), (8974, 25470), (9615, 23772), (9905, 23076), (10188, 22435), (11538, 19810), (11886, 19230), (12735, 17948), (12820, 17829), (13461, 16980)]