78129900

素因数分解:

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

素因数の和:1565

約数の個数: 144

約数和(自身を含む): 264566400

約数和(自身を除く): 186436500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 90, 95, 100, 108, 114, 135, 150, 171, 180, 190, 225, 228, 270, 285, 300, 342, 380, 450, 475, 513, 540, 570, 675, 684, 855, 900, 950, 1026, 1140, 1350, 1425, 1523, 1710, 1900, 2052, 2565, 2700, 2850, 3046, 3420, 4275, 4569, 5130, 5700, 6092, 7615, 8550, 9138, 10260, 12825, 13707, 15230, 17100, 18276, 22845, 25650, 27414, 28937, 30460, 38075, 41121, 45690, 51300, 54828, 57874, 68535, 76150, 82242, 86811, 91380, 114225, 115748, 137070, 144685, 152300, 164484, 173622, 205605, 228450, 260433, 274140, 289370, 342675, 347244, 411210, 434055, 456900, 520866, 578740, 685350, 723425, 781299, 822420, 868110, 1028025, 1041732, 1302165, 1370700, 1446850, 1562598, 1736220, 2056050, 2170275, 2604330, 2893700, 3125196, 3906495, 4112100, 4340550, 5208660, 6510825, 7812990, 8681100, 13021650, 15625980, 19532475, 26043300, 39064950, 78129900]

約数ペア:

[(1, 78129900), (2, 39064950), (3, 26043300), (4, 19532475), (5, 15625980), (6, 13021650), (9, 8681100), (10, 7812990), (12, 6510825), (15, 5208660), (18, 4340550), (19, 4112100), (20, 3906495), (25, 3125196), (27, 2893700), (30, 2604330), (36, 2170275), (38, 2056050), (45, 1736220), (50, 1562598), (54, 1446850), (57, 1370700), (60, 1302165), (75, 1041732), (76, 1028025), (90, 868110), (95, 822420), (100, 781299), (108, 723425), (114, 685350), (135, 578740), (150, 520866), (171, 456900), (180, 434055), (190, 411210), (225, 347244), (228, 342675), (270, 289370), (285, 274140), (300, 260433), (342, 228450), (380, 205605), (450, 173622), (475, 164484), (513, 152300), (540, 144685), (570, 137070), (675, 115748), (684, 114225), (855, 91380), (900, 86811), (950, 82242), (1026, 76150), (1140, 68535), (1350, 57874), (1425, 54828), (1523, 51300), (1710, 45690), (1900, 41121), (2052, 38075), (2565, 30460), (2700, 28937), (2850, 27414), (3046, 25650), (3420, 22845), (4275, 18276), (4569, 17100), (5130, 15230), (5700, 13707), (6092, 12825), (7615, 10260), (8550, 9138)]