287880480

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 240

約数和(自身を含む): 1030934520

約数和(自身を除く): 743054040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 97, 108, 120, 135, 144, 160, 162, 180, 194, 216, 229, 240, 270, 288, 291, 324, 360, 388, 405, 432, 458, 480, 485, 540, 582, 648, 687, 720, 776, 810, 864, 873, 916, 970, 1080, 1145, 1164, 1296, 1374, 1440, 1455, 1552, 1620, 1746, 1832, 1940, 2061, 2160, 2290, 2328, 2592, 2619, 2748, 2910, 3104, 3240, 3435, 3492, 3664, 3880, 4122, 4320, 4365, 4580, 4656, 5238, 5496, 5820, 6183, 6480, 6870, 6984, 7328, 7760, 7857, 8244, 8730, 9160, 9312, 10305, 10476, 10992, 11640, 12366, 12960, 13095, 13740, 13968, 15520, 15714, 16488, 17460, 18320, 18549, 20610, 20952, 21984, 22213, 23280, 24732, 26190, 27480, 27936, 30915, 31428, 32976, 34920, 36640, 37098, 39285, 41220, 41904, 44426, 46560, 49464, 52380, 54960, 61830, 62856, 65952, 66639, 69840, 74196, 78570, 82440, 83808, 88852, 92745, 98928, 104760, 109920, 111065, 123660, 125712, 133278, 139680, 148392, 157140, 164880, 177704, 185490, 197856, 199917, 209520, 222130, 247320, 251424, 266556, 296784, 314280, 329760, 333195, 355408, 370980, 399834, 419040, 444260, 494640, 533112, 593568, 599751, 628560, 666390, 710816, 741960, 799668, 888520, 989280, 999585, 1066224, 1199502, 1257120, 1332780, 1483920, 1599336, 1777040, 1799253, 1999170, 2132448, 2399004, 2665560, 2967840, 2998755, 3198672, 3554080, 3598506, 3998340, 4798008, 5331120, 5997510, 6397344, 7197012, 7996680, 8996265, 9596016, 10662240, 11995020, 14394024, 15993360, 17992530, 19192032, 23990040, 28788048, 31986720, 35985060, 47980080, 57576096, 71970120, 95960160, 143940240, 287880480]

約数ペア:

[(1, 287880480), (2, 143940240), (3, 95960160), (4, 71970120), (5, 57576096), (6, 47980080), (8, 35985060), (9, 31986720), (10, 28788048), (12, 23990040), (15, 19192032), (16, 17992530), (18, 15993360), (20, 14394024), (24, 11995020), (27, 10662240), (30, 9596016), (32, 8996265), (36, 7996680), (40, 7197012), (45, 6397344), (48, 5997510), (54, 5331120), (60, 4798008), (72, 3998340), (80, 3598506), (81, 3554080), (90, 3198672), (96, 2998755), (97, 2967840), (108, 2665560), (120, 2399004), (135, 2132448), (144, 1999170), (160, 1799253), (162, 1777040), (180, 1599336), (194, 1483920), (216, 1332780), (229, 1257120), (240, 1199502), (270, 1066224), (288, 999585), (291, 989280), (324, 888520), (360, 799668), (388, 741960), (405, 710816), (432, 666390), (458, 628560), (480, 599751), (485, 593568), (540, 533112), (582, 494640), (648, 444260), (687, 419040), (720, 399834), (776, 370980), (810, 355408), (864, 333195), (873, 329760), (916, 314280), (970, 296784), (1080, 266556), (1145, 251424), (1164, 247320), (1296, 222130), (1374, 209520), (1440, 199917), (1455, 197856), (1552, 185490), (1620, 177704), (1746, 164880), (1832, 157140), (1940, 148392), (2061, 139680), (2160, 133278), (2290, 125712), (2328, 123660), (2592, 111065), (2619, 109920), (2748, 104760), (2910, 98928), (3104, 92745), (3240, 88852), (3435, 83808), (3492, 82440), (3664, 78570), (3880, 74196), (4122, 69840), (4320, 66639), (4365, 65952), (4580, 62856), (4656, 61830), (5238, 54960), (5496, 52380), (5820, 49464), (6183, 46560), (6480, 44426), (6870, 41904), (6984, 41220), (7328, 39285), (7760, 37098), (7857, 36640), (8244, 34920), (8730, 32976), (9160, 31428), (9312, 30915), (10305, 27936), (10476, 27480), (10992, 26190), (11640, 24732), (12366, 23280), (12960, 22213), (13095, 21984), (13740, 20952), (13968, 20610), (15520, 18549), (15714, 18320), (16488, 17460)]