280803120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90001}}^1$

素因数の和:90030

約数の個数: 80

約数和(自身を含む): 937460832

約数和(自身を除く): 656657712

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, 90001, 180002, 270003, 360004, 450005, 540006, 720008, 900010, 1080012, 1170013, 1350015, 1440016, 1800020, 2160024, 2340026, 2700030, 3510039, 3600040, 4320048, 4680052, 5400060, 5850065, 7020078, 7200080, 9360104, 10800120, 11700130, 14040156, 17550195, 18720208, 21600240, 23400260, 28080312, 35100390, 46800520, 56160624, 70200780, 93601040, 140401560, 280803120]

約数ペア:

[(1, 280803120), (2, 140401560), (3, 93601040), (4, 70200780), (5, 56160624), (6, 46800520), (8, 35100390), (10, 28080312), (12, 23400260), (13, 21600240), (15, 18720208), (16, 17550195), (20, 14040156), (24, 11700130), (26, 10800120), (30, 9360104), (39, 7200080), (40, 7020078), (48, 5850065), (52, 5400060), (60, 4680052), (65, 4320048), (78, 3600040), (80, 3510039), (104, 2700030), (120, 2340026), (130, 2160024), (156, 1800020), (195, 1440016), (208, 1350015), (240, 1170013), (260, 1080012), (312, 900010), (390, 720008), (520, 540006), (624, 450005), (780, 360004), (1040, 270003), (1560, 180002), (3120, 90001)]