1309440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:66

約数の個数: 144

約数和(自身を含む): 4709376

約数和(自身を除く): 3399936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 128, 132, 155, 160, 165, 176, 186, 192, 220, 240, 248, 256, 264, 310, 320, 330, 341, 352, 372, 384, 440, 465, 480, 496, 528, 620, 640, 660, 682, 704, 744, 768, 880, 930, 960, 992, 1023, 1056, 1240, 1280, 1320, 1364, 1408, 1488, 1705, 1760, 1860, 1920, 1984, 2046, 2112, 2480, 2640, 2728, 2816, 2976, 3410, 3520, 3720, 3840, 3968, 4092, 4224, 4960, 5115, 5280, 5456, 5952, 6820, 7040, 7440, 7936, 8184, 8448, 9920, 10230, 10560, 10912, 11904, 13640, 14080, 14880, 16368, 19840, 20460, 21120, 21824, 23808, 27280, 29760, 32736, 39680, 40920, 42240, 43648, 54560, 59520, 65472, 81840, 87296, 109120, 119040, 130944, 163680, 218240, 261888, 327360, 436480, 654720, 1309440]

約数ペア:

[(1, 1309440), (2, 654720), (3, 436480), (4, 327360), (5, 261888), (6, 218240), (8, 163680), (10, 130944), (11, 119040), (12, 109120), (15, 87296), (16, 81840), (20, 65472), (22, 59520), (24, 54560), (30, 43648), (31, 42240), (32, 40920), (33, 39680), (40, 32736), (44, 29760), (48, 27280), (55, 23808), (60, 21824), (62, 21120), (64, 20460), (66, 19840), (80, 16368), (88, 14880), (93, 14080), (96, 13640), (110, 11904), (120, 10912), (124, 10560), (128, 10230), (132, 9920), (155, 8448), (160, 8184), (165, 7936), (176, 7440), (186, 7040), (192, 6820), (220, 5952), (240, 5456), (248, 5280), (256, 5115), (264, 4960), (310, 4224), (320, 4092), (330, 3968), (341, 3840), (352, 3720), (372, 3520), (384, 3410), (440, 2976), (465, 2816), (480, 2728), (496, 2640), (528, 2480), (620, 2112), (640, 2046), (660, 1984), (682, 1920), (704, 1860), (744, 1760), (768, 1705), (880, 1488), (930, 1408), (960, 1364), (992, 1320), (1023, 1280), (1056, 1240)]