18996883125

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:333

約数の個数: 160

約数和(自身を含む): 35628595200

約数和(自身を除く): 16631712075

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 79, 89, 125, 131, 165, 237, 267, 275, 375, 393, 395, 445, 625, 655, 825, 869, 979, 1185, 1335, 1375, 1441, 1875, 1965, 1975, 2225, 2607, 2937, 3275, 4125, 4323, 4345, 4895, 5925, 6675, 6875, 7031, 7205, 9825, 9875, 10349, 11125, 11659, 13035, 14685, 16375, 20625, 21093, 21615, 21725, 24475, 29625, 31047, 33375, 34977, 35155, 36025, 49125, 49375, 51745, 55625, 58295, 65175, 73425, 77341, 81875, 105465, 108075, 108625, 113839, 122375, 128249, 148125, 155235, 166875, 174885, 175775, 180125, 232023, 245625, 258725, 291475, 325875, 341517, 367125, 384747, 386705, 527325, 540375, 543125, 569195, 611875, 641245, 776175, 874425, 878875, 900625, 921061, 1160115, 1293625, 1457375, 1629375, 1707585, 1835625, 1923735, 1933525, 2636625, 2701875, 2763183, 2845975, 3206225, 3880875, 4372125, 4394375, 4605305, 5800575, 6468125, 7286875, 8537925, 9618675, 9667625, 10131671, 13183125, 13815915, 14229875, 16031125, 19404375, 21860625, 23026525, 29002875, 30395013, 42689625, 48093375, 48338125, 50658355, 69079575, 71149375, 80155625, 115132625, 145014375, 151975065, 213448125, 240466875, 253291775, 345397875, 575663125, 759875325, 1266458875, 1726989375, 3799376625, 6332294375, 18996883125]

約数ペア:

[(1, 18996883125), (3, 6332294375), (5, 3799376625), (11, 1726989375), (15, 1266458875), (25, 759875325), (33, 575663125), (55, 345397875), (75, 253291775), (79, 240466875), (89, 213448125), (125, 151975065), (131, 145014375), (165, 115132625), (237, 80155625), (267, 71149375), (275, 69079575), (375, 50658355), (393, 48338125), (395, 48093375), (445, 42689625), (625, 30395013), (655, 29002875), (825, 23026525), (869, 21860625), (979, 19404375), (1185, 16031125), (1335, 14229875), (1375, 13815915), (1441, 13183125), (1875, 10131671), (1965, 9667625), (1975, 9618675), (2225, 8537925), (2607, 7286875), (2937, 6468125), (3275, 5800575), (4125, 4605305), (4323, 4394375), (4345, 4372125), (4895, 3880875), (5925, 3206225), (6675, 2845975), (6875, 2763183), (7031, 2701875), (7205, 2636625), (9825, 1933525), (9875, 1923735), (10349, 1835625), (11125, 1707585), (11659, 1629375), (13035, 1457375), (14685, 1293625), (16375, 1160115), (20625, 921061), (21093, 900625), (21615, 878875), (21725, 874425), (24475, 776175), (29625, 641245), (31047, 611875), (33375, 569195), (34977, 543125), (35155, 540375), (36025, 527325), (49125, 386705), (49375, 384747), (51745, 367125), (55625, 341517), (58295, 325875), (65175, 291475), (73425, 258725), (77341, 245625), (81875, 232023), (105465, 180125), (108075, 175775), (108625, 174885), (113839, 166875), (122375, 155235), (128249, 148125)]