81797200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:581

約数の個数: 120

約数和(自身を含む): 217539648

約数和(自身を除く): 135742448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 34, 40, 46, 50, 68, 80, 85, 92, 100, 115, 136, 170, 184, 200, 230, 272, 340, 368, 391, 400, 425, 460, 523, 575, 680, 782, 850, 920, 1046, 1150, 1360, 1564, 1700, 1840, 1955, 2092, 2300, 2615, 3128, 3400, 3910, 4184, 4600, 5230, 6256, 6800, 7820, 8368, 8891, 9200, 9775, 10460, 12029, 13075, 15640, 17782, 19550, 20920, 24058, 26150, 31280, 35564, 39100, 41840, 44455, 48116, 52300, 60145, 71128, 78200, 88910, 96232, 104600, 120290, 142256, 156400, 177820, 192464, 204493, 209200, 222275, 240580, 300725, 355640, 408986, 444550, 481160, 601450, 711280, 817972, 889100, 962320, 1022465, 1202900, 1635944, 1778200, 2044930, 2405800, 3271888, 3556400, 4089860, 4811600, 5112325, 8179720, 10224650, 16359440, 20449300, 40898600, 81797200]

約数ペア:

[(1, 81797200), (2, 40898600), (4, 20449300), (5, 16359440), (8, 10224650), (10, 8179720), (16, 5112325), (17, 4811600), (20, 4089860), (23, 3556400), (25, 3271888), (34, 2405800), (40, 2044930), (46, 1778200), (50, 1635944), (68, 1202900), (80, 1022465), (85, 962320), (92, 889100), (100, 817972), (115, 711280), (136, 601450), (170, 481160), (184, 444550), (200, 408986), (230, 355640), (272, 300725), (340, 240580), (368, 222275), (391, 209200), (400, 204493), (425, 192464), (460, 177820), (523, 156400), (575, 142256), (680, 120290), (782, 104600), (850, 96232), (920, 88910), (1046, 78200), (1150, 71128), (1360, 60145), (1564, 52300), (1700, 48116), (1840, 44455), (1955, 41840), (2092, 39100), (2300, 35564), (2615, 31280), (3128, 26150), (3400, 24058), (3910, 20920), (4184, 19550), (4600, 17782), (5230, 15640), (6256, 13075), (6800, 12029), (7820, 10460), (8368, 9775), (8891, 9200)]