80215380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{21221}}^1$

素因数の和:21246

約数の個数: 96

約数和(自身を含む): 285223680

約数和(自身を除く): 205008300

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, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 21221, 42442, 63663, 84884, 106105, 127326, 148547, 190989, 212210, 254652, 297094, 318315, 381978, 424420, 445641, 572967, 594188, 636630, 742735, 763956, 891282, 954945, 1145934, 1273260, 1336923, 1485470, 1782564, 1909890, 2228205, 2291868, 2673846, 2864835, 2970940, 3819780, 4010769, 4456410, 5347692, 5729670, 6684615, 8021538, 8912820, 11459340, 13369230, 16043076, 20053845, 26738460, 40107690, 80215380]

約数ペア:

[(1, 80215380), (2, 40107690), (3, 26738460), (4, 20053845), (5, 16043076), (6, 13369230), (7, 11459340), (9, 8912820), (10, 8021538), (12, 6684615), (14, 5729670), (15, 5347692), (18, 4456410), (20, 4010769), (21, 3819780), (27, 2970940), (28, 2864835), (30, 2673846), (35, 2291868), (36, 2228205), (42, 1909890), (45, 1782564), (54, 1485470), (60, 1336923), (63, 1273260), (70, 1145934), (84, 954945), (90, 891282), (105, 763956), (108, 742735), (126, 636630), (135, 594188), (140, 572967), (180, 445641), (189, 424420), (210, 381978), (252, 318315), (270, 297094), (315, 254652), (378, 212210), (420, 190989), (540, 148547), (630, 127326), (756, 106105), (945, 84884), (1260, 63663), (1890, 42442), (3780, 21221)]