79914880

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 204897600

約数和(自身を除く): 124982720

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, 305, 320, 356, 368, 445, 460, 488, 610, 640, 712, 736, 890, 920, 976, 1220, 1403, 1424, 1472, 1780, 1840, 1952, 2047, 2440, 2806, 2848, 2944, 3560, 3680, 3904, 4094, 4880, 5429, 5612, 5696, 7015, 7120, 7360, 7808, 8188, 9760, 10235, 10858, 11224, 11392, 14030, 14240, 14720, 16376, 19520, 20470, 21716, 22448, 27145, 28060, 28480, 32752, 39040, 40940, 43432, 44896, 54290, 56120, 56960, 65504, 81880, 86864, 89792, 108580, 112240, 124867, 131008, 163760, 173728, 179584, 217160, 224480, 249734, 262016, 327520, 347456, 434320, 448960, 499468, 624335, 655040, 694912, 868640, 897920, 998936, 1248670, 1310080, 1737280, 1997872, 2497340, 3474560, 3995744, 4994680, 7991488, 9989360, 15982976, 19978720, 39957440, 79914880]

約数ペア:

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