81033480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:409

約数の個数: 256

約数和(自身を含む): 311040000

約数和(自身を除く): 230006520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 44, 45, 54, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 108, 110, 114, 120, 132, 135, 152, 165, 171, 180, 190, 198, 209, 216, 220, 228, 264, 270, 285, 297, 330, 342, 359, 360, 380, 396, 418, 440, 456, 495, 513, 540, 570, 594, 627, 660, 684, 718, 760, 792, 836, 855, 990, 1026, 1045, 1077, 1080, 1140, 1188, 1254, 1320, 1368, 1436, 1485, 1672, 1710, 1795, 1881, 1980, 2052, 2090, 2154, 2280, 2376, 2508, 2565, 2872, 2970, 3135, 3231, 3420, 3590, 3762, 3949, 3960, 4104, 4180, 4308, 5016, 5130, 5385, 5643, 5940, 6270, 6462, 6821, 6840, 7180, 7524, 7898, 8360, 8616, 9405, 9693, 10260, 10770, 11286, 11847, 11880, 12540, 12924, 13642, 14360, 15048, 15796, 16155, 18810, 19386, 19745, 20463, 20520, 21540, 22572, 23694, 25080, 25848, 27284, 28215, 31592, 32310, 34105, 35541, 37620, 38772, 39490, 40926, 43080, 45144, 47388, 48465, 54568, 56430, 59235, 61389, 64620, 68210, 71082, 75031, 75240, 77544, 78980, 81852, 94776, 96930, 102315, 106623, 112860, 118470, 122778, 129240, 136420, 142164, 150062, 157960, 163704, 177705, 184167, 193860, 204630, 213246, 225093, 225720, 236940, 245556, 272840, 284328, 300124, 306945, 355410, 368334, 375155, 387720, 409260, 426492, 450186, 473880, 491112, 533115, 600248, 613890, 675279, 710820, 736668, 750310, 818520, 852984, 900372, 920835, 1066230, 1125465, 1227780, 1350558, 1421640, 1473336, 1500620, 1800744, 1841670, 2025837, 2132460, 2250930, 2455560, 2701116, 3001240, 3376395, 3683340, 4051674, 4264920, 4501860, 5402232, 6752790, 7366680, 8103348, 9003720, 10129185, 13505580, 16206696, 20258370, 27011160, 40516740, 81033480]

約数ペア:

[(1, 81033480), (2, 40516740), (3, 27011160), (4, 20258370), (5, 16206696), (6, 13505580), (8, 10129185), (9, 9003720), (10, 8103348), (11, 7366680), (12, 6752790), (15, 5402232), (18, 4501860), (19, 4264920), (20, 4051674), (22, 3683340), (24, 3376395), (27, 3001240), (30, 2701116), (33, 2455560), (36, 2250930), (38, 2132460), (40, 2025837), (44, 1841670), (45, 1800744), (54, 1500620), (55, 1473336), (57, 1421640), (60, 1350558), (66, 1227780), (72, 1125465), (76, 1066230), (88, 920835), (90, 900372), (95, 852984), (99, 818520), (108, 750310), (110, 736668), (114, 710820), (120, 675279), (132, 613890), (135, 600248), (152, 533115), (165, 491112), (171, 473880), (180, 450186), (190, 426492), (198, 409260), (209, 387720), (216, 375155), (220, 368334), (228, 355410), (264, 306945), (270, 300124), (285, 284328), (297, 272840), (330, 245556), (342, 236940), (359, 225720), (360, 225093), (380, 213246), (396, 204630), (418, 193860), (440, 184167), (456, 177705), (495, 163704), (513, 157960), (540, 150062), (570, 142164), (594, 136420), (627, 129240), (660, 122778), (684, 118470), (718, 112860), (760, 106623), (792, 102315), (836, 96930), (855, 94776), (990, 81852), (1026, 78980), (1045, 77544), (1077, 75240), (1080, 75031), (1140, 71082), (1188, 68210), (1254, 64620), (1320, 61389), (1368, 59235), (1436, 56430), (1485, 54568), (1672, 48465), (1710, 47388), (1795, 45144), (1881, 43080), (1980, 40926), (2052, 39490), (2090, 38772), (2154, 37620), (2280, 35541), (2376, 34105), (2508, 32310), (2565, 31592), (2872, 28215), (2970, 27284), (3135, 25848), (3231, 25080), (3420, 23694), (3590, 22572), (3762, 21540), (3949, 20520), (3960, 20463), (4104, 19745), (4180, 19386), (4308, 18810), (5016, 16155), (5130, 15796), (5385, 15048), (5643, 14360), (5940, 13642), (6270, 12924), (6462, 12540), (6821, 11880), (6840, 11847), (7180, 11286), (7524, 10770), (7898, 10260), (8360, 9693), (8616, 9405)]