261765432

素因数分解:

$2^3\times 3^5\times {\mathrm{19}}^2\times {\mathrm{373}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 778017240

約数和(自身を除く): 516251808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 243, 324, 342, 361, 373, 456, 486, 513, 648, 684, 722, 746, 972, 1026, 1083, 1119, 1368, 1444, 1492, 1539, 1944, 2052, 2166, 2238, 2888, 2984, 3078, 3249, 3357, 4104, 4332, 4476, 4617, 6156, 6498, 6714, 7087, 8664, 8952, 9234, 9747, 10071, 12312, 12996, 13428, 14174, 18468, 19494, 20142, 21261, 25992, 26856, 28348, 29241, 30213, 36936, 38988, 40284, 42522, 56696, 58482, 60426, 63783, 77976, 80568, 85044, 87723, 90639, 116964, 120852, 127566, 134653, 170088, 175446, 181278, 191349, 233928, 241704, 255132, 269306, 350892, 362556, 382698, 403959, 510264, 538612, 574047, 701784, 725112, 765396, 807918, 1077224, 1148094, 1211877, 1530792, 1615836, 1722141, 2296188, 2423754, 3231672, 3444282, 3635631, 4592376, 4847508, 6888564, 7271262, 9695016, 10906893, 13777128, 14542524, 21813786, 29085048, 32720679, 43627572, 65441358, 87255144, 130882716, 261765432]

約数ペア:

[(1, 261765432), (2, 130882716), (3, 87255144), (4, 65441358), (6, 43627572), (8, 32720679), (9, 29085048), (12, 21813786), (18, 14542524), (19, 13777128), (24, 10906893), (27, 9695016), (36, 7271262), (38, 6888564), (54, 4847508), (57, 4592376), (72, 3635631), (76, 3444282), (81, 3231672), (108, 2423754), (114, 2296188), (152, 1722141), (162, 1615836), (171, 1530792), (216, 1211877), (228, 1148094), (243, 1077224), (324, 807918), (342, 765396), (361, 725112), (373, 701784), (456, 574047), (486, 538612), (513, 510264), (648, 403959), (684, 382698), (722, 362556), (746, 350892), (972, 269306), (1026, 255132), (1083, 241704), (1119, 233928), (1368, 191349), (1444, 181278), (1492, 175446), (1539, 170088), (1944, 134653), (2052, 127566), (2166, 120852), (2238, 116964), (2888, 90639), (2984, 87723), (3078, 85044), (3249, 80568), (3357, 77976), (4104, 63783), (4332, 60426), (4476, 58482), (4617, 56696), (6156, 42522), (6498, 40284), (6714, 38988), (7087, 36936), (8664, 30213), (8952, 29241), (9234, 28348), (9747, 26856), (10071, 25992), (12312, 21261), (12996, 20142), (13428, 19494), (14174, 18468)]