72156840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 256

約数和(自身を含む): 272056320

約数和(自身を除く): 199899480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 31, 34, 35, 40, 42, 51, 56, 60, 62, 68, 70, 84, 85, 93, 102, 105, 119, 120, 124, 136, 140, 155, 163, 168, 170, 186, 204, 210, 217, 238, 248, 255, 280, 310, 326, 340, 357, 372, 408, 420, 434, 465, 476, 489, 510, 527, 595, 620, 651, 652, 680, 714, 744, 815, 840, 868, 930, 952, 978, 1020, 1054, 1085, 1141, 1190, 1240, 1302, 1304, 1428, 1581, 1630, 1736, 1785, 1860, 1956, 2040, 2108, 2170, 2282, 2380, 2445, 2604, 2635, 2771, 2856, 3162, 3255, 3260, 3423, 3570, 3689, 3720, 3912, 4216, 4340, 4564, 4760, 4890, 5053, 5208, 5270, 5542, 5705, 6324, 6510, 6520, 6846, 7140, 7378, 7905, 8313, 8680, 9128, 9780, 10106, 10540, 11067, 11084, 11410, 12648, 13020, 13692, 13855, 14280, 14756, 15159, 15810, 16626, 17115, 18445, 19397, 19560, 20212, 21080, 22134, 22168, 22820, 25265, 26040, 27384, 27710, 29512, 30318, 31620, 33252, 34230, 35371, 36890, 38794, 40424, 41565, 44268, 45640, 50530, 55335, 55420, 58191, 60636, 63240, 66504, 68460, 70742, 73780, 75795, 77588, 83130, 85901, 88536, 96985, 101060, 106113, 110670, 110840, 116382, 121272, 136920, 141484, 147560, 151590, 155176, 166260, 171802, 176855, 193970, 202120, 212226, 221340, 232764, 257703, 282968, 290955, 303180, 332520, 343604, 353710, 387940, 424452, 429505, 442680, 465528, 515406, 530565, 581910, 601307, 606360, 687208, 707420, 775880, 848904, 859010, 1030812, 1061130, 1163820, 1202614, 1288515, 1414840, 1718020, 1803921, 2061624, 2122260, 2327640, 2405228, 2577030, 3006535, 3436040, 3607842, 4244520, 4810456, 5154060, 6013070, 7215684, 9019605, 10308120, 12026140, 14431368, 18039210, 24052280, 36078420, 72156840]

約数ペア:

[(1, 72156840), (2, 36078420), (3, 24052280), (4, 18039210), (5, 14431368), (6, 12026140), (7, 10308120), (8, 9019605), (10, 7215684), (12, 6013070), (14, 5154060), (15, 4810456), (17, 4244520), (20, 3607842), (21, 3436040), (24, 3006535), (28, 2577030), (30, 2405228), (31, 2327640), (34, 2122260), (35, 2061624), (40, 1803921), (42, 1718020), (51, 1414840), (56, 1288515), (60, 1202614), (62, 1163820), (68, 1061130), (70, 1030812), (84, 859010), (85, 848904), (93, 775880), (102, 707420), (105, 687208), (119, 606360), (120, 601307), (124, 581910), (136, 530565), (140, 515406), (155, 465528), (163, 442680), (168, 429505), (170, 424452), (186, 387940), (204, 353710), (210, 343604), (217, 332520), (238, 303180), (248, 290955), (255, 282968), (280, 257703), (310, 232764), (326, 221340), (340, 212226), (357, 202120), (372, 193970), (408, 176855), (420, 171802), (434, 166260), (465, 155176), (476, 151590), (489, 147560), (510, 141484), (527, 136920), (595, 121272), (620, 116382), (651, 110840), (652, 110670), (680, 106113), (714, 101060), (744, 96985), (815, 88536), (840, 85901), (868, 83130), (930, 77588), (952, 75795), (978, 73780), (1020, 70742), (1054, 68460), (1085, 66504), (1141, 63240), (1190, 60636), (1240, 58191), (1302, 55420), (1304, 55335), (1428, 50530), (1581, 45640), (1630, 44268), (1736, 41565), (1785, 40424), (1860, 38794), (1956, 36890), (2040, 35371), (2108, 34230), (2170, 33252), (2282, 31620), (2380, 30318), (2445, 29512), (2604, 27710), (2635, 27384), (2771, 26040), (2856, 25265), (3162, 22820), (3255, 22168), (3260, 22134), (3423, 21080), (3570, 20212), (3689, 19560), (3720, 19397), (3912, 18445), (4216, 17115), (4340, 16626), (4564, 15810), (4760, 15159), (4890, 14756), (5053, 14280), (5208, 13855), (5270, 13692), (5542, 13020), (5705, 12648), (6324, 11410), (6510, 11084), (6520, 11067), (6846, 10540), (7140, 10106), (7378, 9780), (7905, 9128), (8313, 8680)]