78006388720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2419553}}^1$

素因数の和:2419610

約数の個数: 80

約数和(自身を含む): 201616595712

約数和(自身を除く): 123610206992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 2419553, 4839106, 9678212, 12097765, 19356424, 24195530, 31454189, 38712848, 48391060, 62908378, 75006143, 96782120, 125816756, 150012286, 157270945, 193564240, 251633512, 300024572, 314541890, 375030715, 503267024, 600049144, 629083780, 750061430, 975079859, 1200098288, 1258167560, 1500122860, 1950159718, 2516335120, 3000245720, 3900319436, 4875399295, 6000491440, 7800638872, 9750798590, 15601277744, 19501597180, 39003194360, 78006388720]

約数ペア:

[(1, 78006388720), (2, 39003194360), (4, 19501597180), (5, 15601277744), (8, 9750798590), (10, 7800638872), (13, 6000491440), (16, 4875399295), (20, 3900319436), (26, 3000245720), (31, 2516335120), (40, 1950159718), (52, 1500122860), (62, 1258167560), (65, 1200098288), (80, 975079859), (104, 750061430), (124, 629083780), (130, 600049144), (155, 503267024), (208, 375030715), (248, 314541890), (260, 300024572), (310, 251633512), (403, 193564240), (496, 157270945), (520, 150012286), (620, 125816756), (806, 96782120), (1040, 75006143), (1240, 62908378), (1612, 48391060), (2015, 38712848), (2480, 31454189), (3224, 24195530), (4030, 19356424), (6448, 12097765), (8060, 9678212), (16120, 4839106), (32240, 2419553)]