287959620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11909}}^1$

素因数の和:11965

約数の個数: 96

約数和(自身を含む): 896394240

約数和(自身を除く): 608434620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 11909, 12090, 23818, 24180, 35727, 47636, 59545, 71454, 119090, 142908, 154817, 178635, 238180, 309634, 357270, 369179, 464451, 619268, 714540, 738358, 774085, 928902, 1107537, 1476716, 1548170, 1845895, 1857804, 2215074, 2322255, 3096340, 3691790, 4430148, 4644510, 4799327, 5537685, 7383580, 9289020, 9598654, 11075370, 14397981, 19197308, 22150740, 23996635, 28795962, 47993270, 57591924, 71989905, 95986540, 143979810, 287959620]

約数ペア:

[(1, 287959620), (2, 143979810), (3, 95986540), (4, 71989905), (5, 57591924), (6, 47993270), (10, 28795962), (12, 23996635), (13, 22150740), (15, 19197308), (20, 14397981), (26, 11075370), (30, 9598654), (31, 9289020), (39, 7383580), (52, 5537685), (60, 4799327), (62, 4644510), (65, 4430148), (78, 3691790), (93, 3096340), (124, 2322255), (130, 2215074), (155, 1857804), (156, 1845895), (186, 1548170), (195, 1476716), (260, 1107537), (310, 928902), (372, 774085), (390, 738358), (403, 714540), (465, 619268), (620, 464451), (780, 369179), (806, 357270), (930, 309634), (1209, 238180), (1612, 178635), (1860, 154817), (2015, 142908), (2418, 119090), (4030, 71454), (4836, 59545), (6045, 47636), (8060, 35727), (11909, 24180), (12090, 23818)]