319659520

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 160

約数和(自身を含む): 822000960

約数和(自身を除く): 502341440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 61, 64, 80, 89, 92, 115, 122, 128, 160, 178, 184, 230, 244, 256, 305, 320, 356, 368, 445, 460, 488, 512, 610, 640, 712, 736, 890, 920, 976, 1220, 1280, 1403, 1424, 1472, 1780, 1840, 1952, 2047, 2440, 2560, 2806, 2848, 2944, 3560, 3680, 3904, 4094, 4880, 5429, 5612, 5696, 5888, 7015, 7120, 7360, 7808, 8188, 9760, 10235, 10858, 11224, 11392, 11776, 14030, 14240, 14720, 15616, 16376, 19520, 20470, 21716, 22448, 22784, 27145, 28060, 28480, 29440, 31232, 32752, 39040, 40940, 43432, 44896, 45568, 54290, 56120, 56960, 58880, 65504, 78080, 81880, 86864, 89792, 108580, 112240, 113920, 124867, 131008, 156160, 163760, 173728, 179584, 217160, 224480, 227840, 249734, 262016, 327520, 347456, 359168, 434320, 448960, 499468, 524032, 624335, 655040, 694912, 718336, 868640, 897920, 998936, 1048064, 1248670, 1310080, 1389824, 1737280, 1795840, 1997872, 2497340, 2620160, 2779648, 3474560, 3591680, 3995744, 4994680, 5240320, 6949120, 7991488, 9989360, 13898240, 15982976, 19978720, 31965952, 39957440, 63931904, 79914880, 159829760, 319659520]

約数ペア:

[(1, 319659520), (2, 159829760), (4, 79914880), (5, 63931904), (8, 39957440), (10, 31965952), (16, 19978720), (20, 15982976), (23, 13898240), (32, 9989360), (40, 7991488), (46, 6949120), (61, 5240320), (64, 4994680), (80, 3995744), (89, 3591680), (92, 3474560), (115, 2779648), (122, 2620160), (128, 2497340), (160, 1997872), (178, 1795840), (184, 1737280), (230, 1389824), (244, 1310080), (256, 1248670), (305, 1048064), (320, 998936), (356, 897920), (368, 868640), (445, 718336), (460, 694912), (488, 655040), (512, 624335), (610, 524032), (640, 499468), (712, 448960), (736, 434320), (890, 359168), (920, 347456), (976, 327520), (1220, 262016), (1280, 249734), (1403, 227840), (1424, 224480), (1472, 217160), (1780, 179584), (1840, 173728), (1952, 163760), (2047, 156160), (2440, 131008), (2560, 124867), (2806, 113920), (2848, 112240), (2944, 108580), (3560, 89792), (3680, 86864), (3904, 81880), (4094, 78080), (4880, 65504), (5429, 58880), (5612, 56960), (5696, 56120), (5888, 54290), (7015, 45568), (7120, 44896), (7360, 43432), (7808, 40940), (8188, 39040), (9760, 32752), (10235, 31232), (10858, 29440), (11224, 28480), (11392, 28060), (11776, 27145), (14030, 22784), (14240, 22448), (14720, 21716), (15616, 20470), (16376, 19520)]