640992456

素因数分解:

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

素因数の和:22147

約数の個数: 96

約数和(自身を含む): 1929957120

約数和(自身を除く): 1288964664

約数列:

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

約数ペア:

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