281793720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5827}}^1$

素因数の和:5885

約数の個数: 128

約数和(自身を含む): 939939840

約数和(自身を除く): 658146120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 5827, 6045, 8060, 9672, 11654, 12090, 16120, 17481, 23308, 24180, 29135, 34962, 46616, 48360, 58270, 69924, 75751, 87405, 116540, 139848, 151502, 174810, 180637, 227253, 233080, 303004, 349620, 361274, 378755, 454506, 541911, 606008, 699240, 722548, 757510, 903185, 909012, 1083822, 1136265, 1445096, 1515020, 1806370, 1818024, 2167644, 2272530, 2348281, 2709555, 3030040, 3612740, 4335288, 4545060, 4696562, 5419110, 7044843, 7225480, 9090120, 9393124, 10838220, 11741405, 14089686, 18786248, 21676440, 23482810, 28179372, 35224215, 46965620, 56358744, 70448430, 93931240, 140896860, 281793720]

約数ペア:

[(1, 281793720), (2, 140896860), (3, 93931240), (4, 70448430), (5, 56358744), (6, 46965620), (8, 35224215), (10, 28179372), (12, 23482810), (13, 21676440), (15, 18786248), (20, 14089686), (24, 11741405), (26, 10838220), (30, 9393124), (31, 9090120), (39, 7225480), (40, 7044843), (52, 5419110), (60, 4696562), (62, 4545060), (65, 4335288), (78, 3612740), (93, 3030040), (104, 2709555), (120, 2348281), (124, 2272530), (130, 2167644), (155, 1818024), (156, 1806370), (186, 1515020), (195, 1445096), (248, 1136265), (260, 1083822), (310, 909012), (312, 903185), (372, 757510), (390, 722548), (403, 699240), (465, 606008), (520, 541911), (620, 454506), (744, 378755), (780, 361274), (806, 349620), (930, 303004), (1209, 233080), (1240, 227253), (1560, 180637), (1612, 174810), (1860, 151502), (2015, 139848), (2418, 116540), (3224, 87405), (3720, 75751), (4030, 69924), (4836, 58270), (5827, 48360), (6045, 46616), (8060, 34962), (9672, 29135), (11654, 24180), (12090, 23308), (16120, 17481)]