15625980

素因数分解:

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

素因数の和:1560

約数の個数: 96

約数和(自身を含む): 51206400

約数和(自身を除く): 35580420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1523, 1710, 2052, 2565, 3046, 3420, 4569, 5130, 6092, 7615, 9138, 10260, 13707, 15230, 18276, 22845, 27414, 28937, 30460, 41121, 45690, 54828, 57874, 68535, 82242, 86811, 91380, 115748, 137070, 144685, 164484, 173622, 205605, 260433, 274140, 289370, 347244, 411210, 434055, 520866, 578740, 781299, 822420, 868110, 1041732, 1302165, 1562598, 1736220, 2604330, 3125196, 3906495, 5208660, 7812990, 15625980]

約数ペア:

[(1, 15625980), (2, 7812990), (3, 5208660), (4, 3906495), (5, 3125196), (6, 2604330), (9, 1736220), (10, 1562598), (12, 1302165), (15, 1041732), (18, 868110), (19, 822420), (20, 781299), (27, 578740), (30, 520866), (36, 434055), (38, 411210), (45, 347244), (54, 289370), (57, 274140), (60, 260433), (76, 205605), (90, 173622), (95, 164484), (108, 144685), (114, 137070), (135, 115748), (171, 91380), (180, 86811), (190, 82242), (228, 68535), (270, 57874), (285, 54828), (342, 45690), (380, 41121), (513, 30460), (540, 28937), (570, 27414), (684, 22845), (855, 18276), (1026, 15230), (1140, 13707), (1523, 10260), (1710, 9138), (2052, 7615), (2565, 6092), (3046, 5130), (3420, 4569)]