42458920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 120268800

約数和(自身を除く): 77809880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 347, 380, 437, 460, 532, 644, 665, 694, 760, 805, 874, 920, 1064, 1288, 1330, 1388, 1610, 1735, 1748, 2185, 2429, 2660, 2776, 3059, 3220, 3470, 3496, 4370, 4858, 5320, 6118, 6440, 6593, 6940, 7981, 8740, 9716, 12145, 12236, 13186, 13880, 15295, 15962, 17480, 19432, 24290, 24472, 26372, 30590, 31924, 32965, 39905, 46151, 48580, 52744, 55867, 61180, 63848, 65930, 79810, 92302, 97160, 111734, 122360, 131860, 151639, 159620, 184604, 223468, 230755, 263720, 279335, 303278, 319240, 369208, 446936, 461510, 558670, 606556, 758195, 923020, 1061473, 1117340, 1213112, 1516390, 1846040, 2122946, 2234680, 3032780, 4245892, 5307365, 6065560, 8491784, 10614730, 21229460, 42458920]

約数ペア:

[(1, 42458920), (2, 21229460), (4, 10614730), (5, 8491784), (7, 6065560), (8, 5307365), (10, 4245892), (14, 3032780), (19, 2234680), (20, 2122946), (23, 1846040), (28, 1516390), (35, 1213112), (38, 1117340), (40, 1061473), (46, 923020), (56, 758195), (70, 606556), (76, 558670), (92, 461510), (95, 446936), (115, 369208), (133, 319240), (140, 303278), (152, 279335), (161, 263720), (184, 230755), (190, 223468), (230, 184604), (266, 159620), (280, 151639), (322, 131860), (347, 122360), (380, 111734), (437, 97160), (460, 92302), (532, 79810), (644, 65930), (665, 63848), (694, 61180), (760, 55867), (805, 52744), (874, 48580), (920, 46151), (1064, 39905), (1288, 32965), (1330, 31924), (1388, 30590), (1610, 26372), (1735, 24472), (1748, 24290), (2185, 19432), (2429, 17480), (2660, 15962), (2776, 15295), (3059, 13880), (3220, 13186), (3470, 12236), (3496, 12145), (4370, 9716), (4858, 8740), (5320, 7981), (6118, 6940), (6440, 6593)]