31251960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1523}}^1$

素因数の和:1562

約数の個数: 128

約数和(自身を含む): 109728000

約数和(自身を除く): 78476040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1523, 1710, 2052, 2280, 2565, 3046, 3420, 4104, 4569, 5130, 6092, 6840, 7615, 9138, 10260, 12184, 13707, 15230, 18276, 20520, 22845, 27414, 28937, 30460, 36552, 41121, 45690, 54828, 57874, 60920, 68535, 82242, 86811, 91380, 109656, 115748, 137070, 144685, 164484, 173622, 182760, 205605, 231496, 260433, 274140, 289370, 328968, 347244, 411210, 434055, 520866, 548280, 578740, 694488, 781299, 822420, 868110, 1041732, 1157480, 1302165, 1562598, 1644840, 1736220, 2083464, 2604330, 3125196, 3472440, 3906495, 5208660, 6250392, 7812990, 10417320, 15625980, 31251960]

約数ペア:

[(1, 31251960), (2, 15625980), (3, 10417320), (4, 7812990), (5, 6250392), (6, 5208660), (8, 3906495), (9, 3472440), (10, 3125196), (12, 2604330), (15, 2083464), (18, 1736220), (19, 1644840), (20, 1562598), (24, 1302165), (27, 1157480), (30, 1041732), (36, 868110), (38, 822420), (40, 781299), (45, 694488), (54, 578740), (57, 548280), (60, 520866), (72, 434055), (76, 411210), (90, 347244), (95, 328968), (108, 289370), (114, 274140), (120, 260433), (135, 231496), (152, 205605), (171, 182760), (180, 173622), (190, 164484), (216, 144685), (228, 137070), (270, 115748), (285, 109656), (342, 91380), (360, 86811), (380, 82242), (456, 68535), (513, 60920), (540, 57874), (570, 54828), (684, 45690), (760, 41121), (855, 36552), (1026, 30460), (1080, 28937), (1140, 27414), (1368, 22845), (1523, 20520), (1710, 18276), (2052, 15230), (2280, 13707), (2565, 12184), (3046, 10260), (3420, 9138), (4104, 7615), (4569, 6840), (5130, 6092)]