1291361516180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1\times {\mathrm{14303}}^1$

素因数の和:15189

約数の個数: 96

約数和(自身を含む): 2793715384320

約数和(自身を除く): 1502353868140

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 139, 188, 235, 278, 470, 556, 691, 695, 940, 1382, 1390, 2764, 2780, 3455, 6533, 6910, 13066, 13820, 14303, 26132, 28606, 32477, 32665, 57212, 64954, 65330, 71515, 96049, 129908, 130660, 143030, 162385, 192098, 286060, 324770, 384196, 480245, 649540, 672241, 960490, 1344482, 1920980, 1988117, 2688964, 3361205, 3976234, 4514303, 6722410, 7952468, 9028606, 9883373, 9940585, 13444820, 18057212, 19766746, 19881170, 22571515, 39533492, 39762340, 45143030, 49416865, 90286060, 93441499, 98833730, 186882998, 197667460, 373765996, 464518531, 467207495, 929037062, 934414990, 1373788847, 1858074124, 1868829980, 2322592655, 2747577694, 4645185310, 5495155388, 6868944235, 9290370620, 13737888470, 27475776940, 64568075809, 129136151618, 258272303236, 322840379045, 645680758090, 1291361516180]

約数ペア:

[(1, 1291361516180), (2, 645680758090), (4, 322840379045), (5, 258272303236), (10, 129136151618), (20, 64568075809), (47, 27475776940), (94, 13737888470), (139, 9290370620), (188, 6868944235), (235, 5495155388), (278, 4645185310), (470, 2747577694), (556, 2322592655), (691, 1868829980), (695, 1858074124), (940, 1373788847), (1382, 934414990), (1390, 929037062), (2764, 467207495), (2780, 464518531), (3455, 373765996), (6533, 197667460), (6910, 186882998), (13066, 98833730), (13820, 93441499), (14303, 90286060), (26132, 49416865), (28606, 45143030), (32477, 39762340), (32665, 39533492), (57212, 22571515), (64954, 19881170), (65330, 19766746), (71515, 18057212), (96049, 13444820), (129908, 9940585), (130660, 9883373), (143030, 9028606), (162385, 7952468), (192098, 6722410), (286060, 4514303), (324770, 3976234), (384196, 3361205), (480245, 2688964), (649540, 1988117), (672241, 1920980), (960490, 1344482)]