130666240

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 335543040

約数和(自身を除く): 204876800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 89, 124, 128, 148, 155, 160, 178, 185, 248, 256, 296, 310, 320, 356, 370, 445, 496, 592, 620, 640, 712, 740, 890, 992, 1147, 1184, 1240, 1280, 1424, 1480, 1780, 1984, 2294, 2368, 2480, 2759, 2848, 2960, 3293, 3560, 3968, 4588, 4736, 4960, 5518, 5696, 5735, 5920, 6586, 7120, 7936, 9176, 9472, 9920, 11036, 11392, 11470, 11840, 13172, 13795, 14240, 16465, 18352, 19840, 22072, 22784, 22940, 23680, 26344, 27590, 28480, 32930, 36704, 39680, 44144, 45880, 47360, 52688, 55180, 56960, 65860, 73408, 88288, 91760, 102083, 105376, 110360, 113920, 131720, 146816, 176576, 183520, 204166, 210752, 220720, 263440, 293632, 353152, 367040, 408332, 421504, 441440, 510415, 526880, 706304, 734080, 816664, 843008, 882880, 1020830, 1053760, 1468160, 1633328, 1765760, 2041660, 2107520, 3266656, 3531520, 4083320, 4215040, 6533312, 8166640, 13066624, 16333280, 26133248, 32666560, 65333120, 130666240]

約数ペア:

[(1, 130666240), (2, 65333120), (4, 32666560), (5, 26133248), (8, 16333280), (10, 13066624), (16, 8166640), (20, 6533312), (31, 4215040), (32, 4083320), (37, 3531520), (40, 3266656), (62, 2107520), (64, 2041660), (74, 1765760), (80, 1633328), (89, 1468160), (124, 1053760), (128, 1020830), (148, 882880), (155, 843008), (160, 816664), (178, 734080), (185, 706304), (248, 526880), (256, 510415), (296, 441440), (310, 421504), (320, 408332), (356, 367040), (370, 353152), (445, 293632), (496, 263440), (592, 220720), (620, 210752), (640, 204166), (712, 183520), (740, 176576), (890, 146816), (992, 131720), (1147, 113920), (1184, 110360), (1240, 105376), (1280, 102083), (1424, 91760), (1480, 88288), (1780, 73408), (1984, 65860), (2294, 56960), (2368, 55180), (2480, 52688), (2759, 47360), (2848, 45880), (2960, 44144), (3293, 39680), (3560, 36704), (3968, 32930), (4588, 28480), (4736, 27590), (4960, 26344), (5518, 23680), (5696, 22940), (5735, 22784), (5920, 22072), (6586, 19840), (7120, 18352), (7936, 16465), (9176, 14240), (9472, 13795), (9920, 13172), (11036, 11840), (11392, 11470)]