31126480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 93708288

約数和(自身を除く): 62581808

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 163, 176, 217, 220, 248, 280, 308, 310, 326, 341, 385, 434, 440, 496, 560, 616, 620, 652, 682, 770, 815, 868, 880, 1085, 1141, 1232, 1240, 1304, 1364, 1540, 1630, 1705, 1736, 1793, 2170, 2282, 2387, 2480, 2608, 2728, 3080, 3260, 3410, 3472, 3586, 4340, 4564, 4774, 5053, 5456, 5705, 6160, 6520, 6820, 7172, 8680, 8965, 9128, 9548, 10106, 11410, 11935, 12551, 13040, 13640, 14344, 17360, 17930, 18256, 19096, 20212, 22820, 23870, 25102, 25265, 27280, 28688, 35371, 35860, 38192, 40424, 45640, 47740, 50204, 50530, 55583, 62755, 70742, 71720, 80848, 91280, 95480, 100408, 101060, 111166, 125510, 141484, 143440, 176855, 190960, 200816, 202120, 222332, 251020, 277915, 282968, 353710, 389081, 404240, 444664, 502040, 555830, 565936, 707420, 778162, 889328, 1004080, 1111660, 1414840, 1556324, 1945405, 2223320, 2829680, 3112648, 3890810, 4446640, 6225296, 7781620, 15563240, 31126480]

約数ペア:

[(1, 31126480), (2, 15563240), (4, 7781620), (5, 6225296), (7, 4446640), (8, 3890810), (10, 3112648), (11, 2829680), (14, 2223320), (16, 1945405), (20, 1556324), (22, 1414840), (28, 1111660), (31, 1004080), (35, 889328), (40, 778162), (44, 707420), (55, 565936), (56, 555830), (62, 502040), (70, 444664), (77, 404240), (80, 389081), (88, 353710), (110, 282968), (112, 277915), (124, 251020), (140, 222332), (154, 202120), (155, 200816), (163, 190960), (176, 176855), (217, 143440), (220, 141484), (248, 125510), (280, 111166), (308, 101060), (310, 100408), (326, 95480), (341, 91280), (385, 80848), (434, 71720), (440, 70742), (496, 62755), (560, 55583), (616, 50530), (620, 50204), (652, 47740), (682, 45640), (770, 40424), (815, 38192), (868, 35860), (880, 35371), (1085, 28688), (1141, 27280), (1232, 25265), (1240, 25102), (1304, 23870), (1364, 22820), (1540, 20212), (1630, 19096), (1705, 18256), (1736, 17930), (1793, 17360), (2170, 14344), (2282, 13640), (2387, 13040), (2480, 12551), (2608, 11935), (2728, 11410), (3080, 10106), (3260, 9548), (3410, 9128), (3472, 8965), (3586, 8680), (4340, 7172), (4564, 6820), (4774, 6520), (5053, 6160), (5456, 5705)]