638452440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3011}}^1$

素因数の和:3078

約数の個数: 192

約数和(自身を含む): 2255385600

約数和(自身を除く): 1616933160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 57, 60, 62, 72, 76, 90, 93, 95, 114, 120, 124, 152, 155, 171, 180, 186, 190, 228, 248, 279, 285, 310, 342, 360, 372, 380, 456, 465, 558, 570, 589, 620, 684, 744, 760, 855, 930, 1116, 1140, 1178, 1240, 1368, 1395, 1710, 1767, 1860, 2232, 2280, 2356, 2790, 2945, 3011, 3420, 3534, 3720, 4712, 5301, 5580, 5890, 6022, 6840, 7068, 8835, 9033, 10602, 11160, 11780, 12044, 14136, 15055, 17670, 18066, 21204, 23560, 24088, 26505, 27099, 30110, 35340, 36132, 42408, 45165, 53010, 54198, 57209, 60220, 70680, 72264, 90330, 93341, 106020, 108396, 114418, 120440, 135495, 171627, 180660, 186682, 212040, 216792, 228836, 270990, 280023, 286045, 343254, 361320, 373364, 457672, 466705, 514881, 541980, 560046, 572090, 686508, 746728, 840069, 858135, 933410, 1029762, 1083960, 1120092, 1144180, 1373016, 1400115, 1680138, 1716270, 1773479, 1866820, 2059524, 2240184, 2288360, 2574405, 2800230, 3360276, 3432540, 3546958, 3733640, 4119048, 4200345, 5148810, 5320437, 5600460, 6720552, 6865080, 7093916, 8400690, 8867395, 10297620, 10640874, 11200920, 14187832, 15961311, 16801380, 17734790, 20595240, 21281748, 26602185, 31922622, 33602760, 35469580, 42563496, 53204370, 63845244, 70939160, 79806555, 106408740, 127690488, 159613110, 212817480, 319226220, 638452440]

約数ペア:

[(1, 638452440), (2, 319226220), (3, 212817480), (4, 159613110), (5, 127690488), (6, 106408740), (8, 79806555), (9, 70939160), (10, 63845244), (12, 53204370), (15, 42563496), (18, 35469580), (19, 33602760), (20, 31922622), (24, 26602185), (30, 21281748), (31, 20595240), (36, 17734790), (38, 16801380), (40, 15961311), (45, 14187832), (57, 11200920), (60, 10640874), (62, 10297620), (72, 8867395), (76, 8400690), (90, 7093916), (93, 6865080), (95, 6720552), (114, 5600460), (120, 5320437), (124, 5148810), (152, 4200345), (155, 4119048), (171, 3733640), (180, 3546958), (186, 3432540), (190, 3360276), (228, 2800230), (248, 2574405), (279, 2288360), (285, 2240184), (310, 2059524), (342, 1866820), (360, 1773479), (372, 1716270), (380, 1680138), (456, 1400115), (465, 1373016), (558, 1144180), (570, 1120092), (589, 1083960), (620, 1029762), (684, 933410), (744, 858135), (760, 840069), (855, 746728), (930, 686508), (1116, 572090), (1140, 560046), (1178, 541980), (1240, 514881), (1368, 466705), (1395, 457672), (1710, 373364), (1767, 361320), (1860, 343254), (2232, 286045), (2280, 280023), (2356, 270990), (2790, 228836), (2945, 216792), (3011, 212040), (3420, 186682), (3534, 180660), (3720, 171627), (4712, 135495), (5301, 120440), (5580, 114418), (5890, 108396), (6022, 106020), (6840, 93341), (7068, 90330), (8835, 72264), (9033, 70680), (10602, 60220), (11160, 57209), (11780, 54198), (12044, 53010), (14136, 45165), (15055, 42408), (17670, 36132), (18066, 35340), (21204, 30110), (23560, 27099), (24088, 26505)]