407148840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{23081}}^1$

素因数の和:23112

約数の個数: 144

約数和(自身を含む): 1539338580

約数和(自身を除く): 1132189740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 23081, 46162, 69243, 92324, 115405, 138486, 161567, 184648, 207729, 230810, 276972, 323134, 346215, 415458, 461620, 484701, 553944, 646268, 692430, 807835, 830916, 923240, 969402, 1038645, 1130969, 1292536, 1384860, 1454103, 1615670, 1661832, 1938804, 2077290, 2261938, 2423505, 2769720, 2908206, 3231340, 3392907, 3877608, 4154580, 4523876, 4847010, 5654845, 5816412, 6462680, 6785814, 7270515, 8309160, 9047752, 9694020, 10178721, 11309690, 11632824, 13571628, 14541030, 16964535, 19388040, 20357442, 22619380, 27143256, 29082060, 33929070, 40714884, 45238760, 50893605, 58164120, 67858140, 81429768, 101787210, 135716280, 203574420, 407148840]

約数ペア:

[(1, 407148840), (2, 203574420), (3, 135716280), (4, 101787210), (5, 81429768), (6, 67858140), (7, 58164120), (8, 50893605), (9, 45238760), (10, 40714884), (12, 33929070), (14, 29082060), (15, 27143256), (18, 22619380), (20, 20357442), (21, 19388040), (24, 16964535), (28, 14541030), (30, 13571628), (35, 11632824), (36, 11309690), (40, 10178721), (42, 9694020), (45, 9047752), (49, 8309160), (56, 7270515), (60, 6785814), (63, 6462680), (70, 5816412), (72, 5654845), (84, 4847010), (90, 4523876), (98, 4154580), (105, 3877608), (120, 3392907), (126, 3231340), (140, 2908206), (147, 2769720), (168, 2423505), (180, 2261938), (196, 2077290), (210, 1938804), (245, 1661832), (252, 1615670), (280, 1454103), (294, 1384860), (315, 1292536), (360, 1130969), (392, 1038645), (420, 969402), (441, 923240), (490, 830916), (504, 807835), (588, 692430), (630, 646268), (735, 553944), (840, 484701), (882, 461620), (980, 415458), (1176, 346215), (1260, 323134), (1470, 276972), (1764, 230810), (1960, 207729), (2205, 184648), (2520, 161567), (2940, 138486), (3528, 115405), (4410, 92324), (5880, 69243), (8820, 46162), (17640, 23081)]