281112210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{977}}^1$

素因数の和:1152

約数の個数: 96

約数和(自身を含む): 768942720

約数和(自身を除く): 487830510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 139, 207, 230, 278, 345, 414, 417, 690, 695, 834, 977, 1035, 1251, 1390, 1954, 2070, 2085, 2502, 2931, 3197, 4170, 4885, 5862, 6255, 6394, 8793, 9591, 9770, 12510, 14655, 15985, 17586, 19182, 22471, 28773, 29310, 31970, 43965, 44942, 47955, 57546, 67413, 87930, 95910, 112355, 134826, 135803, 143865, 202239, 224710, 271606, 287730, 337065, 404478, 407409, 674130, 679015, 814818, 1011195, 1222227, 1358030, 2022390, 2037045, 2444454, 3123469, 4074090, 6111135, 6246938, 9370407, 12222270, 15617345, 18740814, 28111221, 31234690, 46852035, 56222442, 93704070, 140556105, 281112210]

約数ペア:

[(1, 281112210), (2, 140556105), (3, 93704070), (5, 56222442), (6, 46852035), (9, 31234690), (10, 28111221), (15, 18740814), (18, 15617345), (23, 12222270), (30, 9370407), (45, 6246938), (46, 6111135), (69, 4074090), (90, 3123469), (115, 2444454), (138, 2037045), (139, 2022390), (207, 1358030), (230, 1222227), (278, 1011195), (345, 814818), (414, 679015), (417, 674130), (690, 407409), (695, 404478), (834, 337065), (977, 287730), (1035, 271606), (1251, 224710), (1390, 202239), (1954, 143865), (2070, 135803), (2085, 134826), (2502, 112355), (2931, 95910), (3197, 87930), (4170, 67413), (4885, 57546), (5862, 47955), (6255, 44942), (6394, 43965), (8793, 31970), (9591, 29310), (9770, 28773), (12510, 22471), (14655, 19182), (15985, 17586)]