1805961780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75437}}^1$

素因数の和:75478

約数の個数: 144

約数和(自身を含む): 6590263680

約数和(自身を除く): 4784301900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 23940, 75437, 150874, 226311, 301748, 377185, 452622, 528059, 678933, 754370, 905244, 1056118, 1131555, 1357866, 1433303, 1508740, 1584177, 2112236, 2263110, 2640295, 2715732, 2866606, 3168354, 3394665, 4299909, 4526220, 4752531, 5280590, 5733212, 6336708, 6789330, 7166515, 7920885, 8599818, 9505062, 10033121, 10561180, 12899727, 13578660, 14333030, 15841770, 17199636, 19010124, 20066242, 21499545, 23762655, 25799454, 28666060, 30099363, 31683540, 40132484, 42999090, 47525310, 50165605, 51598908, 60198726, 64498635, 85998180, 90298089, 95050620, 100331210, 120397452, 128997270, 150496815, 180596178, 200662420, 257994540, 300993630, 361192356, 451490445, 601987260, 902980890, 1805961780]

約数ペア:

[(1, 1805961780), (2, 902980890), (3, 601987260), (4, 451490445), (5, 361192356), (6, 300993630), (7, 257994540), (9, 200662420), (10, 180596178), (12, 150496815), (14, 128997270), (15, 120397452), (18, 100331210), (19, 95050620), (20, 90298089), (21, 85998180), (28, 64498635), (30, 60198726), (35, 51598908), (36, 50165605), (38, 47525310), (42, 42999090), (45, 40132484), (57, 31683540), (60, 30099363), (63, 28666060), (70, 25799454), (76, 23762655), (84, 21499545), (90, 20066242), (95, 19010124), (105, 17199636), (114, 15841770), (126, 14333030), (133, 13578660), (140, 12899727), (171, 10561180), (180, 10033121), (190, 9505062), (210, 8599818), (228, 7920885), (252, 7166515), (266, 6789330), (285, 6336708), (315, 5733212), (342, 5280590), (380, 4752531), (399, 4526220), (420, 4299909), (532, 3394665), (570, 3168354), (630, 2866606), (665, 2715732), (684, 2640295), (798, 2263110), (855, 2112236), (1140, 1584177), (1197, 1508740), (1260, 1433303), (1330, 1357866), (1596, 1131555), (1710, 1056118), (1995, 905244), (2394, 754370), (2660, 678933), (3420, 528059), (3990, 452622), (4788, 377185), (5985, 301748), (7980, 226311), (11970, 150874), (23940, 75437)]