189899520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2950

約数の個数: 144

約数和(自身を含む): 642388320

約数和(自身を除く): 452488800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 1020, 1088, 1280, 1360, 1632, 1920, 2040, 2176, 2720, 2909, 3264, 3840, 4080, 4352, 5440, 5818, 6528, 8160, 8727, 10880, 11636, 13056, 14545, 16320, 17454, 21760, 23272, 29090, 32640, 34908, 43635, 46544, 49453, 58180, 65280, 69816, 87270, 93088, 98906, 116360, 139632, 148359, 174540, 186176, 197812, 232720, 247265, 279264, 296718, 349080, 372352, 395624, 465440, 494530, 558528, 593436, 698160, 741795, 744704, 791248, 930880, 989060, 1117056, 1186872, 1396320, 1483590, 1582496, 1861760, 1978120, 2234112, 2373744, 2792640, 2967180, 3164992, 3723520, 3956240, 4747488, 5585280, 5934360, 6329984, 7912480, 9494976, 11170560, 11868720, 12659968, 15824960, 18989952, 23737440, 31649920, 37979904, 47474880, 63299840, 94949760, 189899520]

約数ペア:

[(1, 189899520), (2, 94949760), (3, 63299840), (4, 47474880), (5, 37979904), (6, 31649920), (8, 23737440), (10, 18989952), (12, 15824960), (15, 12659968), (16, 11868720), (17, 11170560), (20, 9494976), (24, 7912480), (30, 6329984), (32, 5934360), (34, 5585280), (40, 4747488), (48, 3956240), (51, 3723520), (60, 3164992), (64, 2967180), (68, 2792640), (80, 2373744), (85, 2234112), (96, 1978120), (102, 1861760), (120, 1582496), (128, 1483590), (136, 1396320), (160, 1186872), (170, 1117056), (192, 989060), (204, 930880), (240, 791248), (255, 744704), (256, 741795), (272, 698160), (320, 593436), (340, 558528), (384, 494530), (408, 465440), (480, 395624), (510, 372352), (544, 349080), (640, 296718), (680, 279264), (768, 247265), (816, 232720), (960, 197812), (1020, 186176), (1088, 174540), (1280, 148359), (1360, 139632), (1632, 116360), (1920, 98906), (2040, 93088), (2176, 87270), (2720, 69816), (2909, 65280), (3264, 58180), (3840, 49453), (4080, 46544), (4352, 43635), (5440, 34908), (5818, 32640), (6528, 29090), (8160, 23272), (8727, 21760), (10880, 17454), (11636, 16320), (13056, 14545)]