1660868960

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1\times {\mathrm{449}}^1$

素因数の和:904

約数の個数: 96

約数和(自身を含む): 4007556000

約数和(自身を除く): 2346687040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 379, 449, 488, 610, 758, 898, 976, 1220, 1516, 1796, 1895, 1952, 2245, 2440, 3032, 3592, 3790, 4490, 4880, 6064, 7184, 7580, 8980, 9760, 12128, 14368, 15160, 17960, 23119, 27389, 30320, 35920, 46238, 54778, 60640, 71840, 92476, 109556, 115595, 136945, 170171, 184952, 219112, 231190, 273890, 340342, 369904, 438224, 462380, 547780, 680684, 739808, 850855, 876448, 924760, 1095560, 1361368, 1701710, 1849520, 2191120, 2722736, 3403420, 3699040, 4382240, 5445472, 6806840, 10380431, 13613680, 20760862, 27227360, 41521724, 51902155, 83043448, 103804310, 166086896, 207608620, 332173792, 415217240, 830434480, 1660868960]

約数ペア:

[(1, 1660868960), (2, 830434480), (4, 415217240), (5, 332173792), (8, 207608620), (10, 166086896), (16, 103804310), (20, 83043448), (32, 51902155), (40, 41521724), (61, 27227360), (80, 20760862), (122, 13613680), (160, 10380431), (244, 6806840), (305, 5445472), (379, 4382240), (449, 3699040), (488, 3403420), (610, 2722736), (758, 2191120), (898, 1849520), (976, 1701710), (1220, 1361368), (1516, 1095560), (1796, 924760), (1895, 876448), (1952, 850855), (2245, 739808), (2440, 680684), (3032, 547780), (3592, 462380), (3790, 438224), (4490, 369904), (4880, 340342), (6064, 273890), (7184, 231190), (7580, 219112), (8980, 184952), (9760, 170171), (12128, 136945), (14368, 115595), (15160, 109556), (17960, 92476), (23119, 71840), (27389, 60640), (30320, 54778), (35920, 46238)]