28991040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 224

約数和(自身を含む): 104461056

約数和(自身を除く): 75470016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 64, 65, 69, 78, 80, 92, 96, 101, 104, 115, 120, 130, 138, 156, 160, 184, 192, 195, 202, 208, 230, 240, 260, 276, 299, 303, 312, 320, 345, 368, 390, 404, 416, 460, 480, 505, 520, 552, 598, 606, 624, 690, 736, 780, 808, 832, 897, 920, 960, 1010, 1040, 1104, 1196, 1212, 1248, 1313, 1380, 1472, 1495, 1515, 1560, 1616, 1794, 1840, 2020, 2080, 2208, 2323, 2392, 2424, 2496, 2626, 2760, 2990, 3030, 3120, 3232, 3588, 3680, 3939, 4040, 4160, 4416, 4485, 4646, 4784, 4848, 5252, 5520, 5980, 6060, 6240, 6464, 6565, 6969, 7176, 7360, 7878, 8080, 8970, 9292, 9568, 9696, 10504, 11040, 11615, 11960, 12120, 12480, 13130, 13938, 14352, 15756, 16160, 17940, 18584, 19136, 19392, 19695, 21008, 22080, 23230, 23920, 24240, 26260, 27876, 28704, 30199, 31512, 32320, 34845, 35880, 37168, 39390, 42016, 46460, 47840, 48480, 52520, 55752, 57408, 60398, 63024, 69690, 71760, 74336, 78780, 84032, 90597, 92920, 95680, 96960, 105040, 111504, 120796, 126048, 139380, 143520, 148672, 150995, 157560, 181194, 185840, 210080, 223008, 241592, 252096, 278760, 287040, 301990, 315120, 362388, 371680, 420160, 446016, 452985, 483184, 557520, 603980, 630240, 724776, 743360, 905970, 966368, 1115040, 1207960, 1260480, 1449552, 1811940, 1932736, 2230080, 2415920, 2899104, 3623880, 4831840, 5798208, 7247760, 9663680, 14495520, 28991040]

約数ペア:

[(1, 28991040), (2, 14495520), (3, 9663680), (4, 7247760), (5, 5798208), (6, 4831840), (8, 3623880), (10, 2899104), (12, 2415920), (13, 2230080), (15, 1932736), (16, 1811940), (20, 1449552), (23, 1260480), (24, 1207960), (26, 1115040), (30, 966368), (32, 905970), (39, 743360), (40, 724776), (46, 630240), (48, 603980), (52, 557520), (60, 483184), (64, 452985), (65, 446016), (69, 420160), (78, 371680), (80, 362388), (92, 315120), (96, 301990), (101, 287040), (104, 278760), (115, 252096), (120, 241592), (130, 223008), (138, 210080), (156, 185840), (160, 181194), (184, 157560), (192, 150995), (195, 148672), (202, 143520), (208, 139380), (230, 126048), (240, 120796), (260, 111504), (276, 105040), (299, 96960), (303, 95680), (312, 92920), (320, 90597), (345, 84032), (368, 78780), (390, 74336), (404, 71760), (416, 69690), (460, 63024), (480, 60398), (505, 57408), (520, 55752), (552, 52520), (598, 48480), (606, 47840), (624, 46460), (690, 42016), (736, 39390), (780, 37168), (808, 35880), (832, 34845), (897, 32320), (920, 31512), (960, 30199), (1010, 28704), (1040, 27876), (1104, 26260), (1196, 24240), (1212, 23920), (1248, 23230), (1313, 22080), (1380, 21008), (1472, 19695), (1495, 19392), (1515, 19136), (1560, 18584), (1616, 17940), (1794, 16160), (1840, 15756), (2020, 14352), (2080, 13938), (2208, 13130), (2323, 12480), (2392, 12120), (2424, 11960), (2496, 11615), (2626, 11040), (2760, 10504), (2990, 9696), (3030, 9568), (3120, 9292), (3232, 8970), (3588, 8080), (3680, 7878), (3939, 7360), (4040, 7176), (4160, 6969), (4416, 6565), (4485, 6464), (4646, 6240), (4784, 6060), (4848, 5980), (5252, 5520)]