12561511240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1289}}^1$

素因数の和:1631

約数の個数: 128

約数和(自身を含む): 30316032000

約数和(自身を除く): 17754520760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 271, 290, 310, 542, 580, 620, 899, 1084, 1160, 1240, 1289, 1355, 1798, 2168, 2578, 2710, 3596, 4495, 5156, 5420, 6445, 7192, 7859, 8401, 8990, 10312, 10840, 12890, 15718, 16802, 17980, 25780, 31436, 33604, 35960, 37381, 39295, 39959, 42005, 51560, 62872, 67208, 74762, 78590, 79918, 84010, 149524, 157180, 159836, 168020, 186905, 199795, 243629, 299048, 314360, 319672, 336040, 349319, 373810, 399590, 487258, 698638, 747620, 799180, 974516, 1158811, 1218145, 1397276, 1495240, 1598360, 1746595, 1949032, 2317622, 2436290, 2794552, 3493190, 4635244, 4872580, 5794055, 6986380, 9270488, 9745160, 10130251, 10828889, 11588110, 13972760, 20260502, 21657778, 23176220, 40521004, 43315556, 46352440, 50651255, 54144445, 81042008, 86631112, 101302510, 108288890, 202605020, 216577780, 314037781, 405210040, 433155560, 628075562, 1256151124, 1570188905, 2512302248, 3140377810, 6280755620, 12561511240]

約数ペア:

[(1, 12561511240), (2, 6280755620), (4, 3140377810), (5, 2512302248), (8, 1570188905), (10, 1256151124), (20, 628075562), (29, 433155560), (31, 405210040), (40, 314037781), (58, 216577780), (62, 202605020), (116, 108288890), (124, 101302510), (145, 86631112), (155, 81042008), (232, 54144445), (248, 50651255), (271, 46352440), (290, 43315556), (310, 40521004), (542, 23176220), (580, 21657778), (620, 20260502), (899, 13972760), (1084, 11588110), (1160, 10828889), (1240, 10130251), (1289, 9745160), (1355, 9270488), (1798, 6986380), (2168, 5794055), (2578, 4872580), (2710, 4635244), (3596, 3493190), (4495, 2794552), (5156, 2436290), (5420, 2317622), (6445, 1949032), (7192, 1746595), (7859, 1598360), (8401, 1495240), (8990, 1397276), (10312, 1218145), (10840, 1158811), (12890, 974516), (15718, 799180), (16802, 747620), (17980, 698638), (25780, 487258), (31436, 399590), (33604, 373810), (35960, 349319), (37381, 336040), (39295, 319672), (39959, 314360), (42005, 299048), (51560, 243629), (62872, 199795), (67208, 186905), (74762, 168020), (78590, 159836), (79918, 157180), (84010, 149524)]