74745720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{9887}}^1$

素因数の和:9914

約数の個数: 128

約数和(自身を含む): 284774400

約数和(自身を除く): 210028680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 9887, 19774, 29661, 39548, 49435, 59322, 69209, 79096, 88983, 98870, 118644, 138418, 148305, 177966, 197740, 207627, 237288, 266949, 276836, 296610, 346045, 355932, 395480, 415254, 444915, 533898, 553672, 593220, 622881, 692090, 711864, 830508, 889830, 1038135, 1067796, 1186440, 1245762, 1334745, 1384180, 1661016, 1779660, 1868643, 2076270, 2135592, 2491524, 2669490, 2768360, 3114405, 3559320, 3737286, 4152540, 4983048, 5338980, 6228810, 7474572, 8305080, 9343215, 10677960, 12457620, 14949144, 18686430, 24915240, 37372860, 74745720]

約数ペア:

[(1, 74745720), (2, 37372860), (3, 24915240), (4, 18686430), (5, 14949144), (6, 12457620), (7, 10677960), (8, 9343215), (9, 8305080), (10, 7474572), (12, 6228810), (14, 5338980), (15, 4983048), (18, 4152540), (20, 3737286), (21, 3559320), (24, 3114405), (27, 2768360), (28, 2669490), (30, 2491524), (35, 2135592), (36, 2076270), (40, 1868643), (42, 1779660), (45, 1661016), (54, 1384180), (56, 1334745), (60, 1245762), (63, 1186440), (70, 1067796), (72, 1038135), (84, 889830), (90, 830508), (105, 711864), (108, 692090), (120, 622881), (126, 593220), (135, 553672), (140, 533898), (168, 444915), (180, 415254), (189, 395480), (210, 355932), (216, 346045), (252, 296610), (270, 276836), (280, 266949), (315, 237288), (360, 207627), (378, 197740), (420, 177966), (504, 148305), (540, 138418), (630, 118644), (756, 98870), (840, 88983), (945, 79096), (1080, 69209), (1260, 59322), (1512, 49435), (1890, 39548), (2520, 29661), (3780, 19774), (7560, 9887)]