27778950

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{19}}^3$

素因数の和:81

約数の個数: 120

約数和(自身を含む): 81471720

約数和(自身を除く): 53692770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 81, 90, 95, 114, 135, 150, 162, 171, 190, 225, 270, 285, 342, 361, 405, 450, 475, 513, 570, 675, 722, 810, 855, 950, 1026, 1083, 1350, 1425, 1539, 1710, 1805, 2025, 2166, 2565, 2850, 3078, 3249, 3610, 4050, 4275, 5130, 5415, 6498, 6859, 7695, 8550, 9025, 9747, 10830, 12825, 13718, 15390, 16245, 18050, 19494, 20577, 25650, 27075, 29241, 32490, 34295, 38475, 41154, 48735, 54150, 58482, 61731, 68590, 76950, 81225, 97470, 102885, 123462, 146205, 162450, 171475, 185193, 205770, 243675, 292410, 308655, 342950, 370386, 487350, 514425, 555579, 617310, 731025, 925965, 1028850, 1111158, 1462050, 1543275, 1851930, 2777895, 3086550, 4629825, 5555790, 9259650, 13889475, 27778950]

約数ペア:

[(1, 27778950), (2, 13889475), (3, 9259650), (5, 5555790), (6, 4629825), (9, 3086550), (10, 2777895), (15, 1851930), (18, 1543275), (19, 1462050), (25, 1111158), (27, 1028850), (30, 925965), (38, 731025), (45, 617310), (50, 555579), (54, 514425), (57, 487350), (75, 370386), (81, 342950), (90, 308655), (95, 292410), (114, 243675), (135, 205770), (150, 185193), (162, 171475), (171, 162450), (190, 146205), (225, 123462), (270, 102885), (285, 97470), (342, 81225), (361, 76950), (405, 68590), (450, 61731), (475, 58482), (513, 54150), (570, 48735), (675, 41154), (722, 38475), (810, 34295), (855, 32490), (950, 29241), (1026, 27075), (1083, 25650), (1350, 20577), (1425, 19494), (1539, 18050), (1710, 16245), (1805, 15390), (2025, 13718), (2166, 12825), (2565, 10830), (2850, 9747), (3078, 9025), (3249, 8550), (3610, 7695), (4050, 6859), (4275, 6498), (5130, 5415)]