247484880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 240

約数和(自身を含む): 889824000

約数和(自身を除く): 642339120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 79, 80, 90, 95, 114, 120, 144, 152, 158, 171, 180, 190, 228, 229, 237, 240, 285, 304, 316, 342, 360, 380, 395, 456, 458, 474, 570, 632, 684, 687, 711, 720, 760, 790, 855, 912, 916, 948, 1140, 1145, 1185, 1264, 1368, 1374, 1422, 1501, 1520, 1580, 1710, 1832, 1896, 2061, 2280, 2290, 2370, 2736, 2748, 2844, 3002, 3160, 3420, 3435, 3555, 3664, 3792, 4122, 4351, 4503, 4560, 4580, 4740, 5496, 5688, 6004, 6320, 6840, 6870, 7110, 7505, 8244, 8702, 9006, 9160, 9480, 10305, 10992, 11376, 12008, 13053, 13509, 13680, 13740, 14220, 15010, 16488, 17404, 18012, 18091, 18320, 18960, 20610, 21755, 22515, 24016, 26106, 27018, 27480, 28440, 30020, 32976, 34808, 36024, 36182, 39159, 41220, 43510, 45030, 52212, 54036, 54273, 54960, 56880, 60040, 65265, 67545, 69616, 72048, 72364, 78318, 82440, 87020, 90060, 90455, 104424, 108072, 108546, 120080, 130530, 135090, 144728, 156636, 162819, 164880, 174040, 180120, 180910, 195795, 208848, 216144, 217092, 261060, 270180, 271365, 289456, 313272, 325638, 343729, 348080, 360240, 361820, 391590, 434184, 522120, 540360, 542730, 626544, 651276, 687458, 723640, 783180, 814095, 868368, 1031187, 1044240, 1080720, 1085460, 1302552, 1374916, 1447280, 1566360, 1628190, 1718645, 2062374, 2170920, 2605104, 2749832, 3093561, 3132720, 3256380, 3437290, 4124748, 4341840, 5155935, 5499664, 6187122, 6512760, 6874580, 8249496, 10311870, 12374244, 13025520, 13749160, 15467805, 16498992, 20623740, 24748488, 27498320, 30935610, 41247480, 49496976, 61871220, 82494960, 123742440, 247484880]

約数ペア:

[(1, 247484880), (2, 123742440), (3, 82494960), (4, 61871220), (5, 49496976), (6, 41247480), (8, 30935610), (9, 27498320), (10, 24748488), (12, 20623740), (15, 16498992), (16, 15467805), (18, 13749160), (19, 13025520), (20, 12374244), (24, 10311870), (30, 8249496), (36, 6874580), (38, 6512760), (40, 6187122), (45, 5499664), (48, 5155935), (57, 4341840), (60, 4124748), (72, 3437290), (76, 3256380), (79, 3132720), (80, 3093561), (90, 2749832), (95, 2605104), (114, 2170920), (120, 2062374), (144, 1718645), (152, 1628190), (158, 1566360), (171, 1447280), (180, 1374916), (190, 1302552), (228, 1085460), (229, 1080720), (237, 1044240), (240, 1031187), (285, 868368), (304, 814095), (316, 783180), (342, 723640), (360, 687458), (380, 651276), (395, 626544), (456, 542730), (458, 540360), (474, 522120), (570, 434184), (632, 391590), (684, 361820), (687, 360240), (711, 348080), (720, 343729), (760, 325638), (790, 313272), (855, 289456), (912, 271365), (916, 270180), (948, 261060), (1140, 217092), (1145, 216144), (1185, 208848), (1264, 195795), (1368, 180910), (1374, 180120), (1422, 174040), (1501, 164880), (1520, 162819), (1580, 156636), (1710, 144728), (1832, 135090), (1896, 130530), (2061, 120080), (2280, 108546), (2290, 108072), (2370, 104424), (2736, 90455), (2748, 90060), (2844, 87020), (3002, 82440), (3160, 78318), (3420, 72364), (3435, 72048), (3555, 69616), (3664, 67545), (3792, 65265), (4122, 60040), (4351, 56880), (4503, 54960), (4560, 54273), (4580, 54036), (4740, 52212), (5496, 45030), (5688, 43510), (6004, 41220), (6320, 39159), (6840, 36182), (6870, 36024), (7110, 34808), (7505, 32976), (8244, 30020), (8702, 28440), (9006, 27480), (9160, 27018), (9480, 26106), (10305, 24016), (10992, 22515), (11376, 21755), (12008, 20610), (13053, 18960), (13509, 18320), (13680, 18091), (13740, 18012), (14220, 17404), (15010, 16488)]