261371760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83773}}^1$

素因数の和:83802

約数の個数: 80

約数和(自身を含む): 872589984

約数和(自身を除く): 611218224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 83773, 167546, 251319, 335092, 418865, 502638, 670184, 837730, 1005276, 1089049, 1256595, 1340368, 1675460, 2010552, 2178098, 2513190, 3267147, 3350920, 4021104, 4356196, 5026380, 5445245, 6534294, 6701840, 8712392, 10052760, 10890490, 13068588, 16335735, 17424784, 20105520, 21780980, 26137176, 32671470, 43561960, 52274352, 65342940, 87123920, 130685880, 261371760]

約数ペア:

[(1, 261371760), (2, 130685880), (3, 87123920), (4, 65342940), (5, 52274352), (6, 43561960), (8, 32671470), (10, 26137176), (12, 21780980), (13, 20105520), (15, 17424784), (16, 16335735), (20, 13068588), (24, 10890490), (26, 10052760), (30, 8712392), (39, 6701840), (40, 6534294), (48, 5445245), (52, 5026380), (60, 4356196), (65, 4021104), (78, 3350920), (80, 3267147), (104, 2513190), (120, 2178098), (130, 2010552), (156, 1675460), (195, 1340368), (208, 1256595), (240, 1089049), (260, 1005276), (312, 837730), (390, 670184), (520, 502638), (624, 418865), (780, 335092), (1040, 251319), (1560, 167546), (3120, 83773)]