81716700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:964

約数の個数: 144

約数和(自身を含む): 265982976

約数和(自身を除く): 184266276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 39, 46, 50, 52, 60, 65, 69, 75, 78, 92, 100, 115, 130, 138, 150, 156, 195, 230, 260, 276, 299, 300, 325, 345, 390, 460, 575, 598, 650, 690, 780, 897, 911, 975, 1150, 1196, 1300, 1380, 1495, 1725, 1794, 1822, 1950, 2300, 2733, 2990, 3450, 3588, 3644, 3900, 4485, 4555, 5466, 5980, 6900, 7475, 8970, 9110, 10932, 11843, 13665, 14950, 17940, 18220, 20953, 22425, 22775, 23686, 27330, 29900, 35529, 41906, 44850, 45550, 47372, 54660, 59215, 62859, 68325, 71058, 83812, 89700, 91100, 104765, 118430, 125718, 136650, 142116, 177645, 209530, 236860, 251436, 272389, 273300, 296075, 314295, 355290, 419060, 523825, 544778, 592150, 628590, 710580, 817167, 888225, 1047650, 1089556, 1184300, 1257180, 1361945, 1571475, 1634334, 1776450, 2095300, 2723890, 3142950, 3268668, 3552900, 4085835, 5447780, 6285900, 6809725, 8171670, 13619450, 16343340, 20429175, 27238900, 40858350, 81716700]

約数ペア:

[(1, 81716700), (2, 40858350), (3, 27238900), (4, 20429175), (5, 16343340), (6, 13619450), (10, 8171670), (12, 6809725), (13, 6285900), (15, 5447780), (20, 4085835), (23, 3552900), (25, 3268668), (26, 3142950), (30, 2723890), (39, 2095300), (46, 1776450), (50, 1634334), (52, 1571475), (60, 1361945), (65, 1257180), (69, 1184300), (75, 1089556), (78, 1047650), (92, 888225), (100, 817167), (115, 710580), (130, 628590), (138, 592150), (150, 544778), (156, 523825), (195, 419060), (230, 355290), (260, 314295), (276, 296075), (299, 273300), (300, 272389), (325, 251436), (345, 236860), (390, 209530), (460, 177645), (575, 142116), (598, 136650), (650, 125718), (690, 118430), (780, 104765), (897, 91100), (911, 89700), (975, 83812), (1150, 71058), (1196, 68325), (1300, 62859), (1380, 59215), (1495, 54660), (1725, 47372), (1794, 45550), (1822, 44850), (1950, 41906), (2300, 35529), (2733, 29900), (2990, 27330), (3450, 23686), (3588, 22775), (3644, 22425), (3900, 20953), (4485, 18220), (4555, 17940), (5466, 14950), (5980, 13665), (6900, 11843), (7475, 10932), (8970, 9110)]