278037720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:466

約数の個数: 192

約数和(自身を含む): 965895840

約数和(自身を除く): 687858120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 181, 204, 251, 255, 306, 340, 360, 362, 408, 502, 510, 543, 612, 680, 724, 753, 765, 905, 1004, 1020, 1086, 1224, 1255, 1448, 1506, 1530, 1629, 1810, 2008, 2040, 2172, 2259, 2510, 2715, 3012, 3060, 3077, 3258, 3620, 3765, 4267, 4344, 4518, 5020, 5430, 6024, 6120, 6154, 6516, 7240, 7530, 8145, 8534, 9036, 9231, 10040, 10860, 11295, 12308, 12801, 13032, 15060, 15385, 16290, 17068, 18072, 18462, 21335, 21720, 22590, 24616, 25602, 27693, 30120, 30770, 32580, 34136, 36924, 38403, 42670, 45180, 45431, 46155, 51204, 55386, 61540, 64005, 65160, 73848, 76806, 85340, 90360, 90862, 92310, 102408, 110772, 123080, 128010, 136293, 138465, 153612, 170680, 181724, 184620, 192015, 221544, 227155, 256020, 272586, 276930, 307224, 363448, 369240, 384030, 408879, 454310, 512040, 545172, 553860, 681465, 768060, 772327, 817758, 908620, 1090344, 1107720, 1362930, 1536120, 1544654, 1635516, 1817240, 2044395, 2316981, 2725860, 3089308, 3271032, 3861635, 4088790, 4633962, 5451720, 6178616, 6950943, 7723270, 8177580, 9267924, 11584905, 13901886, 15446540, 16355160, 18535848, 23169810, 27803772, 30893080, 34754715, 46339620, 55607544, 69509430, 92679240, 139018860, 278037720]

約数ペア:

[(1, 278037720), (2, 139018860), (3, 92679240), (4, 69509430), (5, 55607544), (6, 46339620), (8, 34754715), (9, 30893080), (10, 27803772), (12, 23169810), (15, 18535848), (17, 16355160), (18, 15446540), (20, 13901886), (24, 11584905), (30, 9267924), (34, 8177580), (36, 7723270), (40, 6950943), (45, 6178616), (51, 5451720), (60, 4633962), (68, 4088790), (72, 3861635), (85, 3271032), (90, 3089308), (102, 2725860), (120, 2316981), (136, 2044395), (153, 1817240), (170, 1635516), (180, 1544654), (181, 1536120), (204, 1362930), (251, 1107720), (255, 1090344), (306, 908620), (340, 817758), (360, 772327), (362, 768060), (408, 681465), (502, 553860), (510, 545172), (543, 512040), (612, 454310), (680, 408879), (724, 384030), (753, 369240), (765, 363448), (905, 307224), (1004, 276930), (1020, 272586), (1086, 256020), (1224, 227155), (1255, 221544), (1448, 192015), (1506, 184620), (1530, 181724), (1629, 170680), (1810, 153612), (2008, 138465), (2040, 136293), (2172, 128010), (2259, 123080), (2510, 110772), (2715, 102408), (3012, 92310), (3060, 90862), (3077, 90360), (3258, 85340), (3620, 76806), (3765, 73848), (4267, 65160), (4344, 64005), (4518, 61540), (5020, 55386), (5430, 51204), (6024, 46155), (6120, 45431), (6154, 45180), (6516, 42670), (7240, 38403), (7530, 36924), (8145, 34136), (8534, 32580), (9036, 30770), (9231, 30120), (10040, 27693), (10860, 25602), (11295, 24616), (12308, 22590), (12801, 21720), (13032, 21335), (15060, 18462), (15385, 18072), (16290, 17068)]