1311731520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4007}}^1$

素因数の和:4069

約数の個数: 224

約数和(自身を含む): 4691091456

約数和(自身を除く): 3379359936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 132, 155, 160, 165, 176, 186, 192, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 440, 465, 480, 496, 528, 620, 660, 682, 704, 744, 880, 930, 960, 992, 1023, 1056, 1240, 1320, 1364, 1488, 1705, 1760, 1860, 1984, 2046, 2112, 2480, 2640, 2728, 2976, 3410, 3520, 3720, 4007, 4092, 4960, 5115, 5280, 5456, 5952, 6820, 7440, 8014, 8184, 9920, 10230, 10560, 10912, 12021, 13640, 14880, 16028, 16368, 20035, 20460, 21824, 24042, 27280, 29760, 32056, 32736, 40070, 40920, 44077, 48084, 54560, 60105, 64112, 65472, 80140, 81840, 88154, 96168, 109120, 120210, 124217, 128224, 132231, 160280, 163680, 176308, 192336, 220385, 240420, 248434, 256448, 264462, 320560, 327360, 352616, 372651, 384672, 440770, 480840, 496868, 528924, 621085, 641120, 661155, 705232, 745302, 769344, 881540, 961680, 993736, 1057848, 1242170, 1282240, 1322310, 1366387, 1410464, 1490604, 1763080, 1863255, 1923360, 1987472, 2115696, 2484340, 2644620, 2732774, 2820928, 2981208, 3526160, 3726510, 3846720, 3974944, 4099161, 4231392, 4968680, 5289240, 5465548, 5962416, 6831935, 7052320, 7453020, 7949888, 8198322, 8462784, 9937360, 10578480, 10931096, 11924832, 13663870, 14104640, 14906040, 16396644, 19874720, 20495805, 21156960, 21862192, 23849664, 27327740, 29812080, 32793288, 39749440, 40991610, 42313920, 43724384, 54655480, 59624160, 65586576, 81983220, 87448768, 109310960, 119248320, 131173152, 163966440, 218621920, 262346304, 327932880, 437243840, 655865760, 1311731520]

約数ペア:

[(1, 1311731520), (2, 655865760), (3, 437243840), (4, 327932880), (5, 262346304), (6, 218621920), (8, 163966440), (10, 131173152), (11, 119248320), (12, 109310960), (15, 87448768), (16, 81983220), (20, 65586576), (22, 59624160), (24, 54655480), (30, 43724384), (31, 42313920), (32, 40991610), (33, 39749440), (40, 32793288), (44, 29812080), (48, 27327740), (55, 23849664), (60, 21862192), (62, 21156960), (64, 20495805), (66, 19874720), (80, 16396644), (88, 14906040), (93, 14104640), (96, 13663870), (110, 11924832), (120, 10931096), (124, 10578480), (132, 9937360), (155, 8462784), (160, 8198322), (165, 7949888), (176, 7453020), (186, 7052320), (192, 6831935), (220, 5962416), (240, 5465548), (248, 5289240), (264, 4968680), (310, 4231392), (320, 4099161), (330, 3974944), (341, 3846720), (352, 3726510), (372, 3526160), (440, 2981208), (465, 2820928), (480, 2732774), (496, 2644620), (528, 2484340), (620, 2115696), (660, 1987472), (682, 1923360), (704, 1863255), (744, 1763080), (880, 1490604), (930, 1410464), (960, 1366387), (992, 1322310), (1023, 1282240), (1056, 1242170), (1240, 1057848), (1320, 993736), (1364, 961680), (1488, 881540), (1705, 769344), (1760, 745302), (1860, 705232), (1984, 661155), (2046, 641120), (2112, 621085), (2480, 528924), (2640, 496868), (2728, 480840), (2976, 440770), (3410, 384672), (3520, 372651), (3720, 352616), (4007, 327360), (4092, 320560), (4960, 264462), (5115, 256448), (5280, 248434), (5456, 240420), (5952, 220385), (6820, 192336), (7440, 176308), (8014, 163680), (8184, 160280), (9920, 132231), (10230, 128224), (10560, 124217), (10912, 120210), (12021, 109120), (13640, 96168), (14880, 88154), (16028, 81840), (16368, 80140), (20035, 65472), (20460, 64112), (21824, 60105), (24042, 54560), (27280, 48084), (29760, 44077), (32056, 40920), (32736, 40070)]