81560076

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 208321344

約数和(自身を除く): 126761268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 156, 169, 262, 307, 338, 393, 507, 524, 614, 676, 786, 921, 1014, 1228, 1572, 1703, 1842, 2028, 3406, 3684, 3991, 5109, 6812, 7982, 10218, 11973, 15964, 20436, 22139, 23946, 40217, 44278, 47892, 51883, 66417, 80434, 88556, 103766, 120651, 132834, 155649, 160868, 207532, 241302, 265668, 311298, 482604, 522821, 622596, 1045642, 1568463, 2091284, 3136926, 6273852, 6796673, 13593346, 20390019, 27186692, 40780038, 81560076]

約数ペア:

[(1, 81560076), (2, 40780038), (3, 27186692), (4, 20390019), (6, 13593346), (12, 6796673), (13, 6273852), (26, 3136926), (39, 2091284), (52, 1568463), (78, 1045642), (131, 622596), (156, 522821), (169, 482604), (262, 311298), (307, 265668), (338, 241302), (393, 207532), (507, 160868), (524, 155649), (614, 132834), (676, 120651), (786, 103766), (921, 88556), (1014, 80434), (1228, 66417), (1572, 51883), (1703, 47892), (1842, 44278), (2028, 40217), (3406, 23946), (3684, 22139), (3991, 20436), (5109, 15964), (6812, 11973), (7982, 10218)]