161888265

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2459}}^1$

素因数の和:2507

約数の個数: 96

約数和(自身を含む): 368409600

約数和(自身を除く): 206521335

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 33, 35, 45, 55, 57, 63, 77, 95, 99, 105, 133, 165, 171, 209, 231, 285, 315, 385, 399, 495, 627, 665, 693, 855, 1045, 1155, 1197, 1463, 1881, 1995, 2459, 3135, 3465, 4389, 5985, 7315, 7377, 9405, 12295, 13167, 17213, 21945, 22131, 27049, 36885, 46721, 51639, 65835, 81147, 86065, 110655, 135245, 140163, 154917, 189343, 233605, 243441, 258195, 327047, 405735, 420489, 513931, 568029, 700815, 774585, 946715, 981141, 1217205, 1541793, 1635235, 1704087, 2102445, 2569655, 2840145, 2943423, 3597517, 4625379, 4905705, 7708965, 8520435, 10792551, 14717115, 17987585, 23126895, 32377653, 53962755, 161888265]

約数ペア:

[(1, 161888265), (3, 53962755), (5, 32377653), (7, 23126895), (9, 17987585), (11, 14717115), (15, 10792551), (19, 8520435), (21, 7708965), (33, 4905705), (35, 4625379), (45, 3597517), (55, 2943423), (57, 2840145), (63, 2569655), (77, 2102445), (95, 1704087), (99, 1635235), (105, 1541793), (133, 1217205), (165, 981141), (171, 946715), (209, 774585), (231, 700815), (285, 568029), (315, 513931), (385, 420489), (399, 405735), (495, 327047), (627, 258195), (665, 243441), (693, 233605), (855, 189343), (1045, 154917), (1155, 140163), (1197, 135245), (1463, 110655), (1881, 86065), (1995, 81147), (2459, 65835), (3135, 51639), (3465, 46721), (4389, 36885), (5985, 27049), (7315, 22131), (7377, 21945), (9405, 17213), (12295, 13167)]