81514300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 216986112

約数和(自身を除く): 135471812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 61, 70, 83, 92, 100, 115, 122, 140, 161, 166, 175, 230, 244, 305, 322, 332, 350, 415, 427, 460, 575, 581, 610, 644, 700, 805, 830, 854, 1150, 1162, 1220, 1403, 1525, 1610, 1660, 1708, 1909, 2075, 2135, 2300, 2324, 2806, 2905, 3050, 3220, 3818, 4025, 4150, 4270, 5063, 5612, 5810, 6100, 7015, 7636, 8050, 8300, 8540, 9545, 9821, 10126, 10675, 11620, 13363, 14030, 14525, 16100, 19090, 19642, 20252, 21350, 25315, 26726, 28060, 29050, 35075, 35441, 38180, 39284, 42700, 47725, 49105, 50630, 53452, 58100, 66815, 70150, 70882, 95450, 98210, 101260, 116449, 126575, 133630, 140300, 141764, 177205, 190900, 196420, 232898, 245525, 253150, 267260, 334075, 354410, 465796, 491050, 506300, 582245, 668150, 708820, 815143, 886025, 982100, 1164490, 1336300, 1630286, 1772050, 2328980, 2911225, 3260572, 3544100, 4075715, 5822450, 8151430, 11644900, 16302860, 20378575, 40757150, 81514300]

約数ペア:

[(1, 81514300), (2, 40757150), (4, 20378575), (5, 16302860), (7, 11644900), (10, 8151430), (14, 5822450), (20, 4075715), (23, 3544100), (25, 3260572), (28, 2911225), (35, 2328980), (46, 1772050), (50, 1630286), (61, 1336300), (70, 1164490), (83, 982100), (92, 886025), (100, 815143), (115, 708820), (122, 668150), (140, 582245), (161, 506300), (166, 491050), (175, 465796), (230, 354410), (244, 334075), (305, 267260), (322, 253150), (332, 245525), (350, 232898), (415, 196420), (427, 190900), (460, 177205), (575, 141764), (581, 140300), (610, 133630), (644, 126575), (700, 116449), (805, 101260), (830, 98210), (854, 95450), (1150, 70882), (1162, 70150), (1220, 66815), (1403, 58100), (1525, 53452), (1610, 50630), (1660, 49105), (1708, 47725), (1909, 42700), (2075, 39284), (2135, 38180), (2300, 35441), (2324, 35075), (2806, 29050), (2905, 28060), (3050, 26726), (3220, 25315), (3818, 21350), (4025, 20252), (4150, 19642), (4270, 19090), (5063, 16100), (5612, 14525), (5810, 14030), (6100, 13363), (7015, 11620), (7636, 10675), (8050, 10126), (8300, 9821), (8540, 9545)]