1281984912

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22091}}^1$

素因数の和:22149

約数の個数: 120

約数和(自身を含む): 3988578048

約数和(自身を除く): 2706593136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 312, 372, 403, 468, 496, 558, 624, 744, 806, 936, 1116, 1209, 1488, 1612, 1872, 2232, 2418, 3224, 3627, 4464, 4836, 6448, 7254, 9672, 14508, 19344, 22091, 29016, 44182, 58032, 66273, 88364, 132546, 176728, 198819, 265092, 287183, 353456, 397638, 530184, 574366, 684821, 795276, 861549, 1060368, 1148732, 1369642, 1590552, 1723098, 2054463, 2297464, 2584647, 2739284, 3181104, 3446196, 4108926, 4594928, 5169294, 5478568, 6163389, 6892392, 8217852, 8902673, 10338588, 10957136, 12326778, 13784784, 16435704, 17805346, 20677176, 24653556, 26708019, 32871408, 35610692, 41354352, 49307112, 53416038, 71221384, 80124057, 98614224, 106832076, 142442768, 160248114, 213664152, 320496228, 427328304, 640992456, 1281984912]

約数ペア:

[(1, 1281984912), (2, 640992456), (3, 427328304), (4, 320496228), (6, 213664152), (8, 160248114), (9, 142442768), (12, 106832076), (13, 98614224), (16, 80124057), (18, 71221384), (24, 53416038), (26, 49307112), (31, 41354352), (36, 35610692), (39, 32871408), (48, 26708019), (52, 24653556), (62, 20677176), (72, 17805346), (78, 16435704), (93, 13784784), (104, 12326778), (117, 10957136), (124, 10338588), (144, 8902673), (156, 8217852), (186, 6892392), (208, 6163389), (234, 5478568), (248, 5169294), (279, 4594928), (312, 4108926), (372, 3446196), (403, 3181104), (468, 2739284), (496, 2584647), (558, 2297464), (624, 2054463), (744, 1723098), (806, 1590552), (936, 1369642), (1116, 1148732), (1209, 1060368), (1488, 861549), (1612, 795276), (1872, 684821), (2232, 574366), (2418, 530184), (3224, 397638), (3627, 353456), (4464, 287183), (4836, 265092), (6448, 198819), (7254, 176728), (9672, 132546), (14508, 88364), (19344, 66273), (22091, 58032), (29016, 44182)]