261911736580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1260767}}^1$

素因数の和:1260853

約数の個数: 96

約数和(自身を含む): 640510488576

約数和(自身を除く): 378598751996

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 47, 52, 65, 68, 85, 94, 130, 170, 188, 221, 235, 260, 340, 442, 470, 611, 799, 884, 940, 1105, 1222, 1598, 2210, 2444, 3055, 3196, 3995, 4420, 6110, 7990, 10387, 12220, 15980, 20774, 41548, 51935, 103870, 207740, 1260767, 2521534, 5043068, 6303835, 12607670, 16389971, 21433039, 25215340, 32779942, 42866078, 59256049, 65559884, 81949855, 85732156, 107165195, 118512098, 163899710, 214330390, 237024196, 278629507, 296280245, 327799420, 428660780, 557259014, 592560490, 770328637, 1007352833, 1114518028, 1185120980, 1393147535, 1540657274, 2014705666, 2786295070, 3081314548, 3851643185, 4029411332, 5036764165, 5572590140, 7703286370, 10073528330, 13095586829, 15406572740, 20147056660, 26191173658, 52382347316, 65477934145, 130955868290, 261911736580]

約数ペア:

[(1, 261911736580), (2, 130955868290), (4, 65477934145), (5, 52382347316), (10, 26191173658), (13, 20147056660), (17, 15406572740), (20, 13095586829), (26, 10073528330), (34, 7703286370), (47, 5572590140), (52, 5036764165), (65, 4029411332), (68, 3851643185), (85, 3081314548), (94, 2786295070), (130, 2014705666), (170, 1540657274), (188, 1393147535), (221, 1185120980), (235, 1114518028), (260, 1007352833), (340, 770328637), (442, 592560490), (470, 557259014), (611, 428660780), (799, 327799420), (884, 296280245), (940, 278629507), (1105, 237024196), (1222, 214330390), (1598, 163899710), (2210, 118512098), (2444, 107165195), (3055, 85732156), (3196, 81949855), (3995, 65559884), (4420, 59256049), (6110, 42866078), (7990, 32779942), (10387, 25215340), (12220, 21433039), (15980, 16389971), (20774, 12607670), (41548, 6303835), (51935, 5043068), (103870, 2521534), (207740, 1260767)]