66981880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 182217600

約数和(自身を除く): 115235720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 73, 113, 116, 140, 145, 146, 203, 226, 232, 280, 290, 292, 365, 406, 452, 511, 565, 580, 584, 730, 791, 812, 904, 1015, 1022, 1130, 1160, 1460, 1582, 1624, 2030, 2044, 2117, 2260, 2555, 2920, 3164, 3277, 3955, 4060, 4088, 4234, 4520, 5110, 6328, 6554, 7910, 8120, 8249, 8468, 10220, 10585, 13108, 14819, 15820, 16385, 16498, 16936, 20440, 21170, 22939, 26216, 29638, 31640, 32770, 32996, 41245, 42340, 45878, 57743, 59276, 65540, 65992, 74095, 82490, 84680, 91756, 114695, 115486, 118552, 131080, 148190, 164980, 183512, 229390, 230972, 239221, 288715, 296380, 329960, 458780, 461944, 478442, 577430, 592760, 917560, 956884, 1154860, 1196105, 1674547, 1913768, 2309720, 2392210, 3349094, 4784420, 6698188, 8372735, 9568840, 13396376, 16745470, 33490940, 66981880]

約数ペア:

[(1, 66981880), (2, 33490940), (4, 16745470), (5, 13396376), (7, 9568840), (8, 8372735), (10, 6698188), (14, 4784420), (20, 3349094), (28, 2392210), (29, 2309720), (35, 1913768), (40, 1674547), (56, 1196105), (58, 1154860), (70, 956884), (73, 917560), (113, 592760), (116, 577430), (140, 478442), (145, 461944), (146, 458780), (203, 329960), (226, 296380), (232, 288715), (280, 239221), (290, 230972), (292, 229390), (365, 183512), (406, 164980), (452, 148190), (511, 131080), (565, 118552), (580, 115486), (584, 114695), (730, 91756), (791, 84680), (812, 82490), (904, 74095), (1015, 65992), (1022, 65540), (1130, 59276), (1160, 57743), (1460, 45878), (1582, 42340), (1624, 41245), (2030, 32996), (2044, 32770), (2117, 31640), (2260, 29638), (2555, 26216), (2920, 22939), (3164, 21170), (3277, 20440), (3955, 16936), (4060, 16498), (4088, 16385), (4234, 15820), (4520, 14819), (5110, 13108), (6328, 10585), (6554, 10220), (7910, 8468), (8120, 8249)]