42808520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 110592000

約数和(自身を除く): 67783480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 31, 38, 40, 46, 62, 76, 79, 92, 95, 115, 124, 152, 155, 158, 184, 190, 230, 248, 310, 316, 380, 395, 437, 460, 589, 620, 632, 713, 760, 790, 874, 920, 1178, 1240, 1426, 1501, 1580, 1748, 1817, 2185, 2356, 2449, 2852, 2945, 3002, 3160, 3496, 3565, 3634, 4370, 4712, 4898, 5704, 5890, 6004, 7130, 7268, 7505, 8740, 9085, 9796, 11780, 12008, 12245, 13547, 14260, 14536, 15010, 17480, 18170, 19592, 23560, 24490, 27094, 28520, 30020, 34523, 36340, 46531, 48980, 54188, 56327, 60040, 67735, 69046, 72680, 93062, 97960, 108376, 112654, 135470, 138092, 172615, 186124, 225308, 232655, 270940, 276184, 281635, 345230, 372248, 450616, 465310, 541880, 563270, 690460, 930620, 1070213, 1126540, 1380920, 1861240, 2140426, 2253080, 4280852, 5351065, 8561704, 10702130, 21404260, 42808520]

約数ペア:

[(1, 42808520), (2, 21404260), (4, 10702130), (5, 8561704), (8, 5351065), (10, 4280852), (19, 2253080), (20, 2140426), (23, 1861240), (31, 1380920), (38, 1126540), (40, 1070213), (46, 930620), (62, 690460), (76, 563270), (79, 541880), (92, 465310), (95, 450616), (115, 372248), (124, 345230), (152, 281635), (155, 276184), (158, 270940), (184, 232655), (190, 225308), (230, 186124), (248, 172615), (310, 138092), (316, 135470), (380, 112654), (395, 108376), (437, 97960), (460, 93062), (589, 72680), (620, 69046), (632, 67735), (713, 60040), (760, 56327), (790, 54188), (874, 48980), (920, 46531), (1178, 36340), (1240, 34523), (1426, 30020), (1501, 28520), (1580, 27094), (1748, 24490), (1817, 23560), (2185, 19592), (2356, 18170), (2449, 17480), (2852, 15010), (2945, 14536), (3002, 14260), (3160, 13547), (3496, 12245), (3565, 12008), (3634, 11780), (4370, 9796), (4712, 9085), (4898, 8740), (5704, 7505), (5890, 7268), (6004, 7130)]