77894320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:699

約数の個数: 120

約数和(自身を含む): 217807488

約数和(自身を除く): 139913168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 641, 784, 868, 980, 1085, 1240, 1282, 1519, 1736, 1960, 2170, 2480, 2564, 3038, 3205, 3472, 3920, 4340, 4487, 5128, 6076, 6410, 7595, 8680, 8974, 10256, 12152, 12820, 15190, 17360, 17948, 19871, 22435, 24304, 25640, 30380, 31409, 35896, 39742, 44870, 51280, 60760, 62818, 71792, 79484, 89740, 99355, 121520, 125636, 139097, 157045, 158968, 179480, 198710, 251272, 278194, 314090, 317936, 358960, 397420, 502544, 556388, 628180, 695485, 794840, 973679, 1112776, 1256360, 1390970, 1589680, 1947358, 2225552, 2512720, 2781940, 3894716, 4868395, 5563880, 7789432, 9736790, 11127760, 15578864, 19473580, 38947160, 77894320]

約数ペア:

[(1, 77894320), (2, 38947160), (4, 19473580), (5, 15578864), (7, 11127760), (8, 9736790), (10, 7789432), (14, 5563880), (16, 4868395), (20, 3894716), (28, 2781940), (31, 2512720), (35, 2225552), (40, 1947358), (49, 1589680), (56, 1390970), (62, 1256360), (70, 1112776), (80, 973679), (98, 794840), (112, 695485), (124, 628180), (140, 556388), (155, 502544), (196, 397420), (217, 358960), (245, 317936), (248, 314090), (280, 278194), (310, 251272), (392, 198710), (434, 179480), (490, 158968), (496, 157045), (560, 139097), (620, 125636), (641, 121520), (784, 99355), (868, 89740), (980, 79484), (1085, 71792), (1240, 62818), (1282, 60760), (1519, 51280), (1736, 44870), (1960, 39742), (2170, 35896), (2480, 31409), (2564, 30380), (3038, 25640), (3205, 24304), (3472, 22435), (3920, 19871), (4340, 17948), (4487, 17360), (5128, 15190), (6076, 12820), (6410, 12152), (7595, 10256), (8680, 8974)]