991900560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4507}}^1$

素因数の和:4661

約数の個数: 160

約数和(自身を含む): 3541773312

約数和(自身を除く): 2549872752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 131, 140, 168, 210, 240, 262, 280, 336, 393, 420, 524, 560, 655, 786, 840, 917, 1048, 1310, 1572, 1680, 1834, 1965, 2096, 2620, 2751, 3144, 3668, 3930, 4507, 4585, 5240, 5502, 6288, 7336, 7860, 9014, 9170, 10480, 11004, 13521, 13755, 14672, 15720, 18028, 18340, 22008, 22535, 27042, 27510, 31440, 31549, 36056, 36680, 44016, 45070, 54084, 55020, 63098, 67605, 72112, 73360, 90140, 94647, 108168, 110040, 126196, 135210, 157745, 180280, 189294, 216336, 220080, 252392, 270420, 315490, 360560, 378588, 473235, 504784, 540840, 590417, 630980, 757176, 946470, 1081680, 1180834, 1261960, 1514352, 1771251, 1892940, 2361668, 2523920, 2952085, 3542502, 3785880, 4132919, 4723336, 5904170, 7085004, 7571760, 8265838, 8856255, 9446672, 11808340, 12398757, 14170008, 16531676, 17712510, 20664595, 23616680, 24797514, 28340016, 33063352, 35425020, 41329190, 47233360, 49595028, 61993785, 66126704, 70850040, 82658380, 99190056, 123987570, 141700080, 165316760, 198380112, 247975140, 330633520, 495950280, 991900560]

約数ペア:

[(1, 991900560), (2, 495950280), (3, 330633520), (4, 247975140), (5, 198380112), (6, 165316760), (7, 141700080), (8, 123987570), (10, 99190056), (12, 82658380), (14, 70850040), (15, 66126704), (16, 61993785), (20, 49595028), (21, 47233360), (24, 41329190), (28, 35425020), (30, 33063352), (35, 28340016), (40, 24797514), (42, 23616680), (48, 20664595), (56, 17712510), (60, 16531676), (70, 14170008), (80, 12398757), (84, 11808340), (105, 9446672), (112, 8856255), (120, 8265838), (131, 7571760), (140, 7085004), (168, 5904170), (210, 4723336), (240, 4132919), (262, 3785880), (280, 3542502), (336, 2952085), (393, 2523920), (420, 2361668), (524, 1892940), (560, 1771251), (655, 1514352), (786, 1261960), (840, 1180834), (917, 1081680), (1048, 946470), (1310, 757176), (1572, 630980), (1680, 590417), (1834, 540840), (1965, 504784), (2096, 473235), (2620, 378588), (2751, 360560), (3144, 315490), (3668, 270420), (3930, 252392), (4507, 220080), (4585, 216336), (5240, 189294), (5502, 180280), (6288, 157745), (7336, 135210), (7860, 126196), (9014, 110040), (9170, 108168), (10480, 94647), (11004, 90140), (13521, 73360), (13755, 72112), (14672, 67605), (15720, 63098), (18028, 55020), (18340, 54084), (22008, 45070), (22535, 44016), (27042, 36680), (27510, 36056), (31440, 31549)]