90300420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{7963}}^1$

素因数の和:7991

約数の個数: 120

約数和(自身を含む): 323784384

約数和(自身を除く): 233483964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 7963, 11340, 15926, 23889, 31852, 39815, 47778, 55741, 71667, 79630, 95556, 111482, 119445, 143334, 159260, 167223, 215001, 222964, 238890, 278705, 286668, 334446, 358335, 430002, 477780, 501669, 557410, 645003, 668892, 716670, 836115, 860004, 1003338, 1075005, 1114820, 1290006, 1433340, 1505007, 1672230, 2006676, 2150010, 2508345, 2580012, 3010014, 3225015, 3344460, 4300020, 4515021, 5016690, 6020028, 6450030, 7525035, 9030042, 10033380, 12900060, 15050070, 18060084, 22575105, 30100140, 45150210, 90300420]

約数ペア:

[(1, 90300420), (2, 45150210), (3, 30100140), (4, 22575105), (5, 18060084), (6, 15050070), (7, 12900060), (9, 10033380), (10, 9030042), (12, 7525035), (14, 6450030), (15, 6020028), (18, 5016690), (20, 4515021), (21, 4300020), (27, 3344460), (28, 3225015), (30, 3010014), (35, 2580012), (36, 2508345), (42, 2150010), (45, 2006676), (54, 1672230), (60, 1505007), (63, 1433340), (70, 1290006), (81, 1114820), (84, 1075005), (90, 1003338), (105, 860004), (108, 836115), (126, 716670), (135, 668892), (140, 645003), (162, 557410), (180, 501669), (189, 477780), (210, 430002), (252, 358335), (270, 334446), (315, 286668), (324, 278705), (378, 238890), (405, 222964), (420, 215001), (540, 167223), (567, 159260), (630, 143334), (756, 119445), (810, 111482), (945, 95556), (1134, 79630), (1260, 71667), (1620, 55741), (1890, 47778), (2268, 39815), (2835, 31852), (3780, 23889), (5670, 15926), (7963, 11340)]