231738640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1965

約数の個数: 120

約数和(自身を含む): 647315712

約数和(自身を除く): 415577072

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, 784, 868, 980, 1085, 1240, 1519, 1736, 1907, 1960, 2170, 2480, 3038, 3472, 3814, 3920, 4340, 6076, 7595, 7628, 8680, 9535, 12152, 13349, 15190, 15256, 17360, 19070, 24304, 26698, 30380, 30512, 38140, 53396, 59117, 60760, 66745, 76280, 93443, 106792, 118234, 121520, 133490, 152560, 186886, 213584, 236468, 266980, 295585, 373772, 413819, 467215, 472936, 533960, 591170, 747544, 827638, 934430, 945872, 1067920, 1182340, 1495088, 1655276, 1868860, 2069095, 2364680, 2896733, 3310552, 3737720, 4138190, 4729360, 5793466, 6621104, 7475440, 8276380, 11586932, 14483665, 16552760, 23173864, 28967330, 33105520, 46347728, 57934660, 115869320, 231738640]

約数ペア:

[(1, 231738640), (2, 115869320), (4, 57934660), (5, 46347728), (7, 33105520), (8, 28967330), (10, 23173864), (14, 16552760), (16, 14483665), (20, 11586932), (28, 8276380), (31, 7475440), (35, 6621104), (40, 5793466), (49, 4729360), (56, 4138190), (62, 3737720), (70, 3310552), (80, 2896733), (98, 2364680), (112, 2069095), (124, 1868860), (140, 1655276), (155, 1495088), (196, 1182340), (217, 1067920), (245, 945872), (248, 934430), (280, 827638), (310, 747544), (392, 591170), (434, 533960), (490, 472936), (496, 467215), (560, 413819), (620, 373772), (784, 295585), (868, 266980), (980, 236468), (1085, 213584), (1240, 186886), (1519, 152560), (1736, 133490), (1907, 121520), (1960, 118234), (2170, 106792), (2480, 93443), (3038, 76280), (3472, 66745), (3814, 60760), (3920, 59117), (4340, 53396), (6076, 38140), (7595, 30512), (7628, 30380), (8680, 26698), (9535, 24304), (12152, 19070), (13349, 17360), (15190, 15256)]