80827520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:95

約数の個数: 192

約数和(自身を含む): 225460800

約数和(自身を除く): 144633280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 23, 32, 34, 38, 40, 46, 64, 68, 76, 80, 85, 92, 95, 115, 128, 136, 152, 160, 170, 184, 190, 230, 272, 289, 304, 320, 323, 340, 368, 380, 391, 437, 460, 544, 578, 608, 640, 646, 680, 736, 760, 782, 874, 920, 1088, 1156, 1216, 1292, 1360, 1445, 1472, 1520, 1564, 1615, 1748, 1840, 1955, 2176, 2185, 2312, 2432, 2584, 2720, 2890, 2944, 3040, 3128, 3230, 3496, 3680, 3910, 4370, 4624, 5168, 5440, 5491, 5780, 6080, 6256, 6460, 6647, 6992, 7360, 7429, 7820, 8740, 9248, 10336, 10880, 10982, 11560, 12160, 12512, 12920, 13294, 13984, 14720, 14858, 15640, 17480, 18496, 20672, 21964, 23120, 25024, 25840, 26588, 27455, 27968, 29716, 31280, 33235, 34960, 36992, 37145, 41344, 43928, 46240, 50048, 51680, 53176, 54910, 55936, 59432, 62560, 66470, 69920, 74290, 87856, 92480, 103360, 106352, 109820, 118864, 125120, 126293, 132940, 139840, 148580, 175712, 184960, 206720, 212704, 219640, 237728, 250240, 252586, 265880, 279680, 297160, 351424, 425408, 439280, 475456, 505172, 531760, 594320, 631465, 702848, 850816, 878560, 950912, 1010344, 1063520, 1188640, 1262930, 1757120, 2020688, 2127040, 2377280, 2525860, 3514240, 4041376, 4254080, 4754560, 5051720, 8082752, 10103440, 16165504, 20206880, 40413760, 80827520]

約数ペア:

[(1, 80827520), (2, 40413760), (4, 20206880), (5, 16165504), (8, 10103440), (10, 8082752), (16, 5051720), (17, 4754560), (19, 4254080), (20, 4041376), (23, 3514240), (32, 2525860), (34, 2377280), (38, 2127040), (40, 2020688), (46, 1757120), (64, 1262930), (68, 1188640), (76, 1063520), (80, 1010344), (85, 950912), (92, 878560), (95, 850816), (115, 702848), (128, 631465), (136, 594320), (152, 531760), (160, 505172), (170, 475456), (184, 439280), (190, 425408), (230, 351424), (272, 297160), (289, 279680), (304, 265880), (320, 252586), (323, 250240), (340, 237728), (368, 219640), (380, 212704), (391, 206720), (437, 184960), (460, 175712), (544, 148580), (578, 139840), (608, 132940), (640, 126293), (646, 125120), (680, 118864), (736, 109820), (760, 106352), (782, 103360), (874, 92480), (920, 87856), (1088, 74290), (1156, 69920), (1216, 66470), (1292, 62560), (1360, 59432), (1445, 55936), (1472, 54910), (1520, 53176), (1564, 51680), (1615, 50048), (1748, 46240), (1840, 43928), (1955, 41344), (2176, 37145), (2185, 36992), (2312, 34960), (2432, 33235), (2584, 31280), (2720, 29716), (2890, 27968), (2944, 27455), (3040, 26588), (3128, 25840), (3230, 25024), (3496, 23120), (3680, 21964), (3910, 20672), (4370, 18496), (4624, 17480), (5168, 15640), (5440, 14858), (5491, 14720), (5780, 13984), (6080, 13294), (6256, 12920), (6460, 12512), (6647, 12160), (6992, 11560), (7360, 10982), (7429, 10880), (7820, 10336), (8740, 9248)]