72945880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 200724480

約数和(自身を除く): 127778600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 47, 56, 70, 92, 94, 115, 140, 161, 184, 188, 230, 235, 241, 280, 322, 329, 376, 460, 470, 482, 644, 658, 805, 920, 940, 964, 1081, 1205, 1288, 1316, 1610, 1645, 1687, 1880, 1928, 2162, 2410, 2632, 3220, 3290, 3374, 4324, 4820, 5405, 5543, 6440, 6580, 6748, 7567, 8435, 8648, 9640, 10810, 11086, 11327, 13160, 13496, 15134, 16870, 21620, 22172, 22654, 27715, 30268, 33740, 37835, 38801, 43240, 44344, 45308, 55430, 56635, 60536, 67480, 75670, 77602, 79289, 90616, 110860, 113270, 151340, 155204, 158578, 194005, 221720, 226540, 260521, 302680, 310408, 317156, 388010, 396445, 453080, 521042, 634312, 776020, 792890, 1042084, 1302605, 1552040, 1585780, 1823647, 2084168, 2605210, 3171560, 3647294, 5210420, 7294588, 9118235, 10420840, 14589176, 18236470, 36472940, 72945880]

約数ペア:

[(1, 72945880), (2, 36472940), (4, 18236470), (5, 14589176), (7, 10420840), (8, 9118235), (10, 7294588), (14, 5210420), (20, 3647294), (23, 3171560), (28, 2605210), (35, 2084168), (40, 1823647), (46, 1585780), (47, 1552040), (56, 1302605), (70, 1042084), (92, 792890), (94, 776020), (115, 634312), (140, 521042), (161, 453080), (184, 396445), (188, 388010), (230, 317156), (235, 310408), (241, 302680), (280, 260521), (322, 226540), (329, 221720), (376, 194005), (460, 158578), (470, 155204), (482, 151340), (644, 113270), (658, 110860), (805, 90616), (920, 79289), (940, 77602), (964, 75670), (1081, 67480), (1205, 60536), (1288, 56635), (1316, 55430), (1610, 45308), (1645, 44344), (1687, 43240), (1880, 38801), (1928, 37835), (2162, 33740), (2410, 30268), (2632, 27715), (3220, 22654), (3290, 22172), (3374, 21620), (4324, 16870), (4820, 15134), (5405, 13496), (5543, 13160), (6440, 11327), (6580, 11086), (6748, 10810), (7567, 9640), (8435, 8648)]