254029140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 791940240

約数和(自身を除く): 537911100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 101, 157, 178, 180, 202, 267, 303, 314, 356, 404, 445, 471, 505, 534, 606, 628, 785, 801, 890, 909, 942, 1010, 1068, 1212, 1335, 1413, 1515, 1570, 1602, 1780, 1818, 1884, 2020, 2355, 2670, 2826, 3030, 3140, 3204, 3636, 4005, 4545, 4710, 5340, 5652, 6060, 7065, 8010, 8989, 9090, 9420, 13973, 14130, 15857, 16020, 17978, 18180, 26967, 27946, 28260, 31714, 35956, 41919, 44945, 47571, 53934, 55892, 63428, 69865, 79285, 80901, 83838, 89890, 95142, 107868, 125757, 134835, 139730, 142713, 158570, 161802, 167676, 179780, 190284, 209595, 237855, 251514, 269670, 279460, 285426, 317140, 323604, 404505, 419190, 475710, 503028, 539340, 570852, 628785, 713565, 809010, 838380, 951420, 1257570, 1411273, 1427130, 1618020, 2515140, 2822546, 2854260, 4233819, 5645092, 7056365, 8467638, 12701457, 14112730, 16935276, 21169095, 25402914, 28225460, 42338190, 50805828, 63507285, 84676380, 127014570, 254029140]

約数ペア:

[(1, 254029140), (2, 127014570), (3, 84676380), (4, 63507285), (5, 50805828), (6, 42338190), (9, 28225460), (10, 25402914), (12, 21169095), (15, 16935276), (18, 14112730), (20, 12701457), (30, 8467638), (36, 7056365), (45, 5645092), (60, 4233819), (89, 2854260), (90, 2822546), (101, 2515140), (157, 1618020), (178, 1427130), (180, 1411273), (202, 1257570), (267, 951420), (303, 838380), (314, 809010), (356, 713565), (404, 628785), (445, 570852), (471, 539340), (505, 503028), (534, 475710), (606, 419190), (628, 404505), (785, 323604), (801, 317140), (890, 285426), (909, 279460), (942, 269670), (1010, 251514), (1068, 237855), (1212, 209595), (1335, 190284), (1413, 179780), (1515, 167676), (1570, 161802), (1602, 158570), (1780, 142713), (1818, 139730), (1884, 134835), (2020, 125757), (2355, 107868), (2670, 95142), (2826, 89890), (3030, 83838), (3140, 80901), (3204, 79285), (3636, 69865), (4005, 63428), (4545, 55892), (4710, 53934), (5340, 47571), (5652, 44945), (6060, 41919), (7065, 35956), (8010, 31714), (8989, 28260), (9090, 27946), (9420, 26967), (13973, 18180), (14130, 17978), (15857, 16020)]