491040

素因数分解:

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

素因数の和:63

約数の個数: 144

約数和(自身を含む): 1886976

約数和(自身を除く): 1395936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 32, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 96, 99, 110, 120, 124, 132, 144, 155, 160, 165, 176, 180, 186, 198, 220, 240, 248, 264, 279, 288, 310, 330, 341, 352, 360, 372, 396, 440, 465, 480, 495, 496, 528, 558, 620, 660, 682, 720, 744, 792, 880, 930, 990, 992, 1023, 1056, 1116, 1240, 1320, 1364, 1395, 1440, 1488, 1584, 1705, 1760, 1860, 1980, 2046, 2232, 2480, 2640, 2728, 2790, 2976, 3069, 3168, 3410, 3720, 3960, 4092, 4464, 4960, 5115, 5280, 5456, 5580, 6138, 6820, 7440, 7920, 8184, 8928, 10230, 10912, 11160, 12276, 13640, 14880, 15345, 15840, 16368, 20460, 22320, 24552, 27280, 30690, 32736, 40920, 44640, 49104, 54560, 61380, 81840, 98208, 122760, 163680, 245520, 491040]

約数ペア:

[(1, 491040), (2, 245520), (3, 163680), (4, 122760), (5, 98208), (6, 81840), (8, 61380), (9, 54560), (10, 49104), (11, 44640), (12, 40920), (15, 32736), (16, 30690), (18, 27280), (20, 24552), (22, 22320), (24, 20460), (30, 16368), (31, 15840), (32, 15345), (33, 14880), (36, 13640), (40, 12276), (44, 11160), (45, 10912), (48, 10230), (55, 8928), (60, 8184), (62, 7920), (66, 7440), (72, 6820), (80, 6138), (88, 5580), (90, 5456), (93, 5280), (96, 5115), (99, 4960), (110, 4464), (120, 4092), (124, 3960), (132, 3720), (144, 3410), (155, 3168), (160, 3069), (165, 2976), (176, 2790), (180, 2728), (186, 2640), (198, 2480), (220, 2232), (240, 2046), (248, 1980), (264, 1860), (279, 1760), (288, 1705), (310, 1584), (330, 1488), (341, 1440), (352, 1395), (360, 1364), (372, 1320), (396, 1240), (440, 1116), (465, 1056), (480, 1023), (495, 992), (496, 990), (528, 930), (558, 880), (620, 792), (660, 744), (682, 720)]