90318760

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 246240000

約数和(自身を除く): 155921240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 227, 232, 245, 280, 290, 343, 392, 406, 454, 490, 580, 686, 812, 908, 980, 1015, 1135, 1160, 1372, 1421, 1589, 1624, 1715, 1816, 1960, 2030, 2270, 2744, 2842, 3178, 3430, 4060, 4540, 5684, 6356, 6583, 6860, 7105, 7945, 8120, 9080, 9947, 11123, 11368, 12712, 13166, 13720, 14210, 15890, 19894, 22246, 26332, 28420, 31780, 32915, 39788, 44492, 46081, 49735, 52664, 55615, 56840, 63560, 65830, 77861, 79576, 88984, 92162, 99470, 111230, 131660, 155722, 184324, 198940, 222460, 230405, 263320, 311444, 322567, 368648, 389305, 397880, 444920, 460810, 622888, 645134, 778610, 921620, 1290268, 1557220, 1612835, 1843240, 2257969, 2580536, 3114440, 3225670, 4515938, 6451340, 9031876, 11289845, 12902680, 18063752, 22579690, 45159380, 90318760]

約数ペア:

[(1, 90318760), (2, 45159380), (4, 22579690), (5, 18063752), (7, 12902680), (8, 11289845), (10, 9031876), (14, 6451340), (20, 4515938), (28, 3225670), (29, 3114440), (35, 2580536), (40, 2257969), (49, 1843240), (56, 1612835), (58, 1557220), (70, 1290268), (98, 921620), (116, 778610), (140, 645134), (145, 622888), (196, 460810), (203, 444920), (227, 397880), (232, 389305), (245, 368648), (280, 322567), (290, 311444), (343, 263320), (392, 230405), (406, 222460), (454, 198940), (490, 184324), (580, 155722), (686, 131660), (812, 111230), (908, 99470), (980, 92162), (1015, 88984), (1135, 79576), (1160, 77861), (1372, 65830), (1421, 63560), (1589, 56840), (1624, 55615), (1715, 52664), (1816, 49735), (1960, 46081), (2030, 44492), (2270, 39788), (2744, 32915), (2842, 31780), (3178, 28420), (3430, 26332), (4060, 22246), (4540, 19894), (5684, 15890), (6356, 14210), (6583, 13720), (6860, 13166), (7105, 12712), (7945, 11368), (8120, 11123), (9080, 9947)]