208045620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 651635712

約数和(自身を除く): 443590092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 73, 90, 142, 146, 180, 213, 219, 223, 284, 292, 355, 365, 426, 438, 446, 639, 657, 669, 710, 730, 852, 876, 892, 1065, 1095, 1115, 1278, 1314, 1338, 1420, 1460, 2007, 2130, 2190, 2230, 2556, 2628, 2676, 3195, 3285, 3345, 4014, 4260, 4380, 4460, 5183, 6390, 6570, 6690, 8028, 10035, 10366, 12780, 13140, 13380, 15549, 15833, 16279, 20070, 20732, 25915, 31098, 31666, 32558, 40140, 46647, 47499, 48837, 51830, 62196, 63332, 65116, 77745, 79165, 81395, 93294, 94998, 97674, 103660, 142497, 146511, 155490, 158330, 162790, 186588, 189996, 195348, 233235, 237495, 244185, 284994, 293022, 310980, 316660, 325580, 466470, 474990, 488370, 569988, 586044, 712485, 732555, 932940, 949980, 976740, 1155809, 1424970, 1465110, 2311618, 2849940, 2930220, 3467427, 4623236, 5779045, 6934854, 10402281, 11558090, 13869708, 17337135, 20804562, 23116180, 34674270, 41609124, 52011405, 69348540, 104022810, 208045620]

約数ペア:

[(1, 208045620), (2, 104022810), (3, 69348540), (4, 52011405), (5, 41609124), (6, 34674270), (9, 23116180), (10, 20804562), (12, 17337135), (15, 13869708), (18, 11558090), (20, 10402281), (30, 6934854), (36, 5779045), (45, 4623236), (60, 3467427), (71, 2930220), (73, 2849940), (90, 2311618), (142, 1465110), (146, 1424970), (180, 1155809), (213, 976740), (219, 949980), (223, 932940), (284, 732555), (292, 712485), (355, 586044), (365, 569988), (426, 488370), (438, 474990), (446, 466470), (639, 325580), (657, 316660), (669, 310980), (710, 293022), (730, 284994), (852, 244185), (876, 237495), (892, 233235), (1065, 195348), (1095, 189996), (1115, 186588), (1278, 162790), (1314, 158330), (1338, 155490), (1420, 146511), (1460, 142497), (2007, 103660), (2130, 97674), (2190, 94998), (2230, 93294), (2556, 81395), (2628, 79165), (2676, 77745), (3195, 65116), (3285, 63332), (3345, 62196), (4014, 51830), (4260, 48837), (4380, 47499), (4460, 46647), (5183, 40140), (6390, 32558), (6570, 31666), (6690, 31098), (8028, 25915), (10035, 20732), (10366, 20070), (12780, 16279), (13140, 15833), (13380, 15549)]