16747920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3323}}^1$

素因数の和:3349

約数の個数: 120

約数和(自身を含む): 64299456

約数和(自身を除く): 47551536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3323, 5040, 6646, 9969, 13292, 16615, 19938, 23261, 26584, 29907, 33230, 39876, 46522, 49845, 53168, 59814, 66460, 69783, 79752, 93044, 99690, 116305, 119628, 132920, 139566, 149535, 159504, 186088, 199380, 209349, 232610, 239256, 265840, 279132, 299070, 348915, 372176, 398760, 418698, 465220, 478512, 558264, 598140, 697830, 797520, 837396, 930440, 1046745, 1116528, 1196280, 1395660, 1674792, 1860880, 2093490, 2392560, 2791320, 3349584, 4186980, 5582640, 8373960, 16747920]

約数ペア:

[(1, 16747920), (2, 8373960), (3, 5582640), (4, 4186980), (5, 3349584), (6, 2791320), (7, 2392560), (8, 2093490), (9, 1860880), (10, 1674792), (12, 1395660), (14, 1196280), (15, 1116528), (16, 1046745), (18, 930440), (20, 837396), (21, 797520), (24, 697830), (28, 598140), (30, 558264), (35, 478512), (36, 465220), (40, 418698), (42, 398760), (45, 372176), (48, 348915), (56, 299070), (60, 279132), (63, 265840), (70, 239256), (72, 232610), (80, 209349), (84, 199380), (90, 186088), (105, 159504), (112, 149535), (120, 139566), (126, 132920), (140, 119628), (144, 116305), (168, 99690), (180, 93044), (210, 79752), (240, 69783), (252, 66460), (280, 59814), (315, 53168), (336, 49845), (360, 46522), (420, 39876), (504, 33230), (560, 29907), (630, 26584), (720, 23261), (840, 19938), (1008, 16615), (1260, 13292), (1680, 9969), (2520, 6646), (3323, 5040)]