228515880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1399

約数の個数: 128

約数和(自身を含む): 723271680

約数和(自身を除く): 494755800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 47, 60, 62, 93, 94, 120, 124, 141, 155, 186, 188, 235, 248, 282, 310, 372, 376, 465, 470, 564, 620, 705, 744, 930, 940, 1128, 1240, 1307, 1410, 1457, 1860, 1880, 2614, 2820, 2914, 3720, 3921, 4371, 5228, 5640, 5828, 6535, 7285, 7842, 8742, 10456, 11656, 13070, 14570, 15684, 17484, 19605, 21855, 26140, 29140, 31368, 34968, 39210, 40517, 43710, 52280, 58280, 61429, 78420, 81034, 87420, 121551, 122858, 156840, 162068, 174840, 184287, 202585, 243102, 245716, 307145, 324136, 368574, 405170, 486204, 491432, 607755, 614290, 737148, 810340, 921435, 972408, 1215510, 1228580, 1474296, 1620680, 1842870, 1904299, 2431020, 2457160, 3685740, 3808598, 4862040, 5712897, 7371480, 7617196, 9521495, 11425794, 15234392, 19042990, 22851588, 28564485, 38085980, 45703176, 57128970, 76171960, 114257940, 228515880]

約数ペア:

[(1, 228515880), (2, 114257940), (3, 76171960), (4, 57128970), (5, 45703176), (6, 38085980), (8, 28564485), (10, 22851588), (12, 19042990), (15, 15234392), (20, 11425794), (24, 9521495), (30, 7617196), (31, 7371480), (40, 5712897), (47, 4862040), (60, 3808598), (62, 3685740), (93, 2457160), (94, 2431020), (120, 1904299), (124, 1842870), (141, 1620680), (155, 1474296), (186, 1228580), (188, 1215510), (235, 972408), (248, 921435), (282, 810340), (310, 737148), (372, 614290), (376, 607755), (465, 491432), (470, 486204), (564, 405170), (620, 368574), (705, 324136), (744, 307145), (930, 245716), (940, 243102), (1128, 202585), (1240, 184287), (1307, 174840), (1410, 162068), (1457, 156840), (1860, 122858), (1880, 121551), (2614, 87420), (2820, 81034), (2914, 78420), (3720, 61429), (3921, 58280), (4371, 52280), (5228, 43710), (5640, 40517), (5828, 39210), (6535, 34968), (7285, 31368), (7842, 29140), (8742, 26140), (10456, 21855), (11656, 19605), (13070, 17484), (14570, 15684)]