1831011520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1523}}^1$

素因数の和:1587

約数の個数: 168

約数和(自身を含む): 4991215824

約数和(自身を除く): 3160204304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 289, 320, 340, 416, 442, 520, 544, 578, 680, 832, 884, 1040, 1088, 1105, 1156, 1360, 1445, 1523, 1768, 2080, 2210, 2312, 2720, 2890, 3046, 3536, 3757, 4160, 4420, 4624, 5440, 5780, 6092, 7072, 7514, 7615, 8840, 9248, 11560, 12184, 14144, 15028, 15230, 17680, 18496, 18785, 19799, 23120, 24368, 25891, 30056, 30460, 35360, 37570, 39598, 46240, 48736, 51782, 60112, 60920, 70720, 75140, 79196, 92480, 97472, 98995, 103564, 120224, 121840, 129455, 150280, 158392, 197990, 207128, 240448, 243680, 258910, 300560, 316784, 336583, 395980, 414256, 440147, 487360, 517820, 601120, 633568, 673166, 791960, 828512, 880294, 1035640, 1202240, 1267136, 1346332, 1583920, 1657024, 1682915, 1760588, 2071280, 2200735, 2692664, 3167840, 3365830, 3521176, 4142560, 4401470, 5385328, 5721911, 6335680, 6731660, 7042352, 8285120, 8802940, 10770656, 11443822, 13463320, 14084704, 17605880, 21541312, 22887644, 26926640, 28169408, 28609555, 35211760, 45775288, 53853280, 57219110, 70423520, 91550576, 107706560, 114438220, 140847040, 183101152, 228876440, 366202304, 457752880, 915505760, 1831011520]

約数ペア:

[(1, 1831011520), (2, 915505760), (4, 457752880), (5, 366202304), (8, 228876440), (10, 183101152), (13, 140847040), (16, 114438220), (17, 107706560), (20, 91550576), (26, 70423520), (32, 57219110), (34, 53853280), (40, 45775288), (52, 35211760), (64, 28609555), (65, 28169408), (68, 26926640), (80, 22887644), (85, 21541312), (104, 17605880), (130, 14084704), (136, 13463320), (160, 11443822), (170, 10770656), (208, 8802940), (221, 8285120), (260, 7042352), (272, 6731660), (289, 6335680), (320, 5721911), (340, 5385328), (416, 4401470), (442, 4142560), (520, 3521176), (544, 3365830), (578, 3167840), (680, 2692664), (832, 2200735), (884, 2071280), (1040, 1760588), (1088, 1682915), (1105, 1657024), (1156, 1583920), (1360, 1346332), (1445, 1267136), (1523, 1202240), (1768, 1035640), (2080, 880294), (2210, 828512), (2312, 791960), (2720, 673166), (2890, 633568), (3046, 601120), (3536, 517820), (3757, 487360), (4160, 440147), (4420, 414256), (4624, 395980), (5440, 336583), (5780, 316784), (6092, 300560), (7072, 258910), (7514, 243680), (7615, 240448), (8840, 207128), (9248, 197990), (11560, 158392), (12184, 150280), (14144, 129455), (15028, 121840), (15230, 120224), (17680, 103564), (18496, 98995), (18785, 97472), (19799, 92480), (23120, 79196), (24368, 75140), (25891, 70720), (30056, 60920), (30460, 60112), (35360, 51782), (37570, 48736), (39598, 46240)]