18338880

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{2729}}^1$

素因数の和:2756

約数の個数: 112

約数和(自身を含む): 66568320

約数和(自身を除く): 48229440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 2729, 3360, 5458, 6720, 8187, 10916, 13645, 16374, 19103, 21832, 27290, 32748, 38206, 40935, 43664, 54580, 57309, 65496, 76412, 81870, 87328, 95515, 109160, 114618, 130992, 152824, 163740, 174656, 191030, 218320, 229236, 261984, 286545, 305648, 327480, 382060, 436640, 458472, 523968, 573090, 611296, 654960, 764120, 873280, 916944, 1146180, 1222592, 1309920, 1528240, 1833888, 2292360, 2619840, 3056480, 3667776, 4584720, 6112960, 9169440, 18338880]

約数ペア:

[(1, 18338880), (2, 9169440), (3, 6112960), (4, 4584720), (5, 3667776), (6, 3056480), (7, 2619840), (8, 2292360), (10, 1833888), (12, 1528240), (14, 1309920), (15, 1222592), (16, 1146180), (20, 916944), (21, 873280), (24, 764120), (28, 654960), (30, 611296), (32, 573090), (35, 523968), (40, 458472), (42, 436640), (48, 382060), (56, 327480), (60, 305648), (64, 286545), (70, 261984), (80, 229236), (84, 218320), (96, 191030), (105, 174656), (112, 163740), (120, 152824), (140, 130992), (160, 114618), (168, 109160), (192, 95515), (210, 87328), (224, 81870), (240, 76412), (280, 65496), (320, 57309), (336, 54580), (420, 43664), (448, 40935), (480, 38206), (560, 32748), (672, 27290), (840, 21832), (960, 19103), (1120, 16374), (1344, 13645), (1680, 10916), (2240, 8187), (2729, 6720), (3360, 5458)]