18902520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1$

素因数の和:614

約数の個数: 192

約数和(自身を含む): 75741120

約数和(自身を除く): 56838600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 577, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1154, 1170, 1260, 1365, 1560, 1638, 1731, 1820, 2184, 2308, 2340, 2520, 2730, 2885, 3276, 3462, 3640, 4039, 4095, 4616, 4680, 5193, 5460, 5770, 6552, 6924, 7501, 8078, 8190, 8655, 10386, 10920, 11540, 12117, 13848, 15002, 16156, 16380, 17310, 20195, 20772, 22503, 23080, 24234, 25965, 30004, 32312, 32760, 34620, 36351, 37505, 40390, 41544, 45006, 48468, 51930, 52507, 60008, 60585, 67509, 69240, 72702, 75010, 80780, 90012, 96936, 103860, 105014, 112515, 121170, 135018, 145404, 150020, 157521, 161560, 180024, 181755, 207720, 210028, 225030, 242340, 262535, 270036, 290808, 300040, 315042, 337545, 363510, 420056, 450060, 472563, 484680, 525070, 540072, 630084, 675090, 727020, 787605, 900120, 945126, 1050140, 1260168, 1350180, 1454040, 1575210, 1890252, 2100280, 2362815, 2700360, 3150420, 3780504, 4725630, 6300840, 9451260, 18902520]

約数ペア:

[(1, 18902520), (2, 9451260), (3, 6300840), (4, 4725630), (5, 3780504), (6, 3150420), (7, 2700360), (8, 2362815), (9, 2100280), (10, 1890252), (12, 1575210), (13, 1454040), (14, 1350180), (15, 1260168), (18, 1050140), (20, 945126), (21, 900120), (24, 787605), (26, 727020), (28, 675090), (30, 630084), (35, 540072), (36, 525070), (39, 484680), (40, 472563), (42, 450060), (45, 420056), (52, 363510), (56, 337545), (60, 315042), (63, 300040), (65, 290808), (70, 270036), (72, 262535), (78, 242340), (84, 225030), (90, 210028), (91, 207720), (104, 181755), (105, 180024), (117, 161560), (120, 157521), (126, 150020), (130, 145404), (140, 135018), (156, 121170), (168, 112515), (180, 105014), (182, 103860), (195, 96936), (210, 90012), (234, 80780), (252, 75010), (260, 72702), (273, 69240), (280, 67509), (312, 60585), (315, 60008), (360, 52507), (364, 51930), (390, 48468), (420, 45006), (455, 41544), (468, 40390), (504, 37505), (520, 36351), (546, 34620), (577, 32760), (585, 32312), (630, 30004), (728, 25965), (780, 24234), (819, 23080), (840, 22503), (910, 20772), (936, 20195), (1092, 17310), (1154, 16380), (1170, 16156), (1260, 15002), (1365, 13848), (1560, 12117), (1638, 11540), (1731, 10920), (1820, 10386), (2184, 8655), (2308, 8190), (2340, 8078), (2520, 7501), (2730, 6924), (2885, 6552), (3276, 5770), (3462, 5460), (3640, 5193), (4039, 4680), (4095, 4616)]