20528068500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{239}}^1\times {\mathrm{19087}}^1$

素因数の和:19351

約数の個数: 144

約数和(自身を含む): 65033579520

約数和(自身を除く): 44505511020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 239, 250, 300, 375, 450, 478, 500, 717, 750, 900, 956, 1125, 1195, 1434, 1500, 2151, 2250, 2390, 2868, 3585, 4302, 4500, 4780, 5975, 7170, 8604, 10755, 11950, 14340, 17925, 19087, 21510, 23900, 29875, 35850, 38174, 43020, 53775, 57261, 59750, 71700, 76348, 89625, 95435, 107550, 114522, 119500, 171783, 179250, 190870, 215100, 229044, 268875, 286305, 343566, 358500, 381740, 477175, 537750, 572610, 687132, 858915, 954350, 1075500, 1145220, 1431525, 1717830, 1908700, 2385875, 2863050, 3435660, 4294575, 4561793, 4771750, 5726100, 7157625, 8589150, 9123586, 9543500, 13685379, 14315250, 17178300, 18247172, 21472875, 22808965, 27370758, 28630500, 41056137, 42945750, 45617930, 54741516, 68426895, 82112274, 85891500, 91235860, 114044825, 136853790, 164224548, 205280685, 228089650, 273707580, 342134475, 410561370, 456179300, 570224125, 684268950, 821122740, 1026403425, 1140448250, 1368537900, 1710672375, 2052806850, 2280896500, 3421344750, 4105613700, 5132017125, 6842689500, 10264034250, 20528068500]

約数ペア:

[(1, 20528068500), (2, 10264034250), (3, 6842689500), (4, 5132017125), (5, 4105613700), (6, 3421344750), (9, 2280896500), (10, 2052806850), (12, 1710672375), (15, 1368537900), (18, 1140448250), (20, 1026403425), (25, 821122740), (30, 684268950), (36, 570224125), (45, 456179300), (50, 410561370), (60, 342134475), (75, 273707580), (90, 228089650), (100, 205280685), (125, 164224548), (150, 136853790), (180, 114044825), (225, 91235860), (239, 85891500), (250, 82112274), (300, 68426895), (375, 54741516), (450, 45617930), (478, 42945750), (500, 41056137), (717, 28630500), (750, 27370758), (900, 22808965), (956, 21472875), (1125, 18247172), (1195, 17178300), (1434, 14315250), (1500, 13685379), (2151, 9543500), (2250, 9123586), (2390, 8589150), (2868, 7157625), (3585, 5726100), (4302, 4771750), (4500, 4561793), (4780, 4294575), (5975, 3435660), (7170, 2863050), (8604, 2385875), (10755, 1908700), (11950, 1717830), (14340, 1431525), (17925, 1145220), (19087, 1075500), (21510, 954350), (23900, 858915), (29875, 687132), (35850, 572610), (38174, 537750), (43020, 477175), (53775, 381740), (57261, 358500), (59750, 343566), (71700, 286305), (76348, 268875), (89625, 229044), (95435, 215100), (107550, 190870), (114522, 179250), (119500, 171783)]