490407660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{3989}}^1$

素因数の和:4687

約数の個数: 72

約数和(自身を含む): 1490121360

約数和(自身を除く): 999713700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 683, 1366, 2049, 2732, 3415, 3989, 4098, 6147, 6830, 7978, 8196, 10245, 11967, 12294, 13660, 15956, 19945, 20490, 23934, 24588, 30735, 35901, 39890, 40980, 47868, 59835, 61470, 71802, 79780, 119670, 122940, 143604, 179505, 239340, 359010, 718020, 2724487, 5448974, 8173461, 10897948, 13622435, 16346922, 24520383, 27244870, 32693844, 40867305, 49040766, 54489740, 81734610, 98081532, 122601915, 163469220, 245203830, 490407660]

約数ペア:

[(1, 490407660), (2, 245203830), (3, 163469220), (4, 122601915), (5, 98081532), (6, 81734610), (9, 54489740), (10, 49040766), (12, 40867305), (15, 32693844), (18, 27244870), (20, 24520383), (30, 16346922), (36, 13622435), (45, 10897948), (60, 8173461), (90, 5448974), (180, 2724487), (683, 718020), (1366, 359010), (2049, 239340), (2732, 179505), (3415, 143604), (3989, 122940), (4098, 119670), (6147, 79780), (6830, 71802), (7978, 61470), (8196, 59835), (10245, 47868), (11967, 40980), (12294, 39890), (13660, 35901), (15956, 30735), (19945, 24588), (20490, 23934)]