81800880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 320

約数和(自身を含む): 317122560

約数和(自身を除く): 235321680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 29, 30, 35, 40, 42, 46, 48, 56, 58, 60, 69, 70, 73, 80, 84, 87, 92, 105, 112, 115, 116, 120, 138, 140, 145, 146, 161, 168, 174, 184, 203, 210, 219, 230, 232, 240, 276, 280, 290, 292, 322, 336, 345, 348, 365, 368, 406, 420, 435, 438, 460, 464, 483, 511, 552, 560, 580, 584, 609, 644, 667, 690, 696, 730, 805, 812, 840, 870, 876, 920, 966, 1015, 1022, 1095, 1104, 1160, 1168, 1218, 1288, 1334, 1380, 1392, 1460, 1533, 1610, 1624, 1679, 1680, 1740, 1752, 1840, 1932, 2001, 2030, 2044, 2117, 2190, 2320, 2415, 2436, 2555, 2576, 2668, 2760, 2920, 3045, 3066, 3220, 3248, 3335, 3358, 3480, 3504, 3864, 4002, 4060, 4088, 4234, 4380, 4669, 4830, 4872, 5037, 5110, 5336, 5520, 5840, 6090, 6132, 6351, 6440, 6670, 6716, 6960, 7665, 7728, 8004, 8120, 8176, 8395, 8468, 8760, 9338, 9660, 9744, 10005, 10074, 10220, 10585, 10672, 11753, 12180, 12264, 12702, 12880, 13340, 13432, 14007, 14819, 15330, 16008, 16240, 16790, 16936, 17520, 18676, 19320, 20010, 20148, 20440, 21170, 23345, 23506, 24360, 24528, 25185, 25404, 26680, 26864, 28014, 29638, 30660, 31755, 32016, 33580, 33872, 35259, 37352, 38640, 40020, 40296, 40880, 42340, 44457, 46690, 47012, 48691, 48720, 50370, 50808, 53360, 56028, 58765, 59276, 61320, 63510, 67160, 70035, 70518, 74095, 74704, 80040, 80592, 84680, 88914, 93380, 94024, 97382, 100740, 101616, 112056, 117530, 118552, 122640, 127020, 134320, 140070, 141036, 146073, 148190, 160080, 169360, 176295, 177828, 186760, 188048, 194764, 201480, 222285, 224112, 235060, 237104, 243455, 254040, 280140, 282072, 292146, 296380, 340837, 352590, 355656, 373520, 389528, 402960, 444570, 470120, 486910, 508080, 560280, 564144, 584292, 592760, 681674, 705180, 711312, 730365, 779056, 889140, 940240, 973820, 1022511, 1120560, 1168584, 1185520, 1363348, 1410360, 1460730, 1704185, 1778280, 1947640, 2045022, 2337168, 2726696, 2820720, 2921460, 3408370, 3556560, 3895280, 4090044, 5112555, 5453392, 5842920, 6816740, 8180088, 10225110, 11685840, 13633480, 16360176, 20450220, 27266960, 40900440, 81800880]

約数ペア:

[(1, 81800880), (2, 40900440), (3, 27266960), (4, 20450220), (5, 16360176), (6, 13633480), (7, 11685840), (8, 10225110), (10, 8180088), (12, 6816740), (14, 5842920), (15, 5453392), (16, 5112555), (20, 4090044), (21, 3895280), (23, 3556560), (24, 3408370), (28, 2921460), (29, 2820720), (30, 2726696), (35, 2337168), (40, 2045022), (42, 1947640), (46, 1778280), (48, 1704185), (56, 1460730), (58, 1410360), (60, 1363348), (69, 1185520), (70, 1168584), (73, 1120560), (80, 1022511), (84, 973820), (87, 940240), (92, 889140), (105, 779056), (112, 730365), (115, 711312), (116, 705180), (120, 681674), (138, 592760), (140, 584292), (145, 564144), (146, 560280), (161, 508080), (168, 486910), (174, 470120), (184, 444570), (203, 402960), (210, 389528), (219, 373520), (230, 355656), (232, 352590), (240, 340837), (276, 296380), (280, 292146), (290, 282072), (292, 280140), (322, 254040), (336, 243455), (345, 237104), (348, 235060), (365, 224112), (368, 222285), (406, 201480), (420, 194764), (435, 188048), (438, 186760), (460, 177828), (464, 176295), (483, 169360), (511, 160080), (552, 148190), (560, 146073), (580, 141036), (584, 140070), (609, 134320), (644, 127020), (667, 122640), (690, 118552), (696, 117530), (730, 112056), (805, 101616), (812, 100740), (840, 97382), (870, 94024), (876, 93380), (920, 88914), (966, 84680), (1015, 80592), (1022, 80040), (1095, 74704), (1104, 74095), (1160, 70518), (1168, 70035), (1218, 67160), (1288, 63510), (1334, 61320), (1380, 59276), (1392, 58765), (1460, 56028), (1533, 53360), (1610, 50808), (1624, 50370), (1679, 48720), (1680, 48691), (1740, 47012), (1752, 46690), (1840, 44457), (1932, 42340), (2001, 40880), (2030, 40296), (2044, 40020), (2117, 38640), (2190, 37352), (2320, 35259), (2415, 33872), (2436, 33580), (2555, 32016), (2576, 31755), (2668, 30660), (2760, 29638), (2920, 28014), (3045, 26864), (3066, 26680), (3220, 25404), (3248, 25185), (3335, 24528), (3358, 24360), (3480, 23506), (3504, 23345), (3864, 21170), (4002, 20440), (4060, 20148), (4088, 20010), (4234, 19320), (4380, 18676), (4669, 17520), (4830, 16936), (4872, 16790), (5037, 16240), (5110, 16008), (5336, 15330), (5520, 14819), (5840, 14007), (6090, 13432), (6132, 13340), (6351, 12880), (6440, 12702), (6670, 12264), (6716, 12180), (6960, 11753), (7665, 10672), (7728, 10585), (8004, 10220), (8120, 10074), (8176, 10005), (8395, 9744), (8468, 9660), (8760, 9338)]