55338920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 160151040

約数和(自身を除く): 104812120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 661, 728, 805, 910, 920, 1196, 1288, 1322, 1495, 1610, 1820, 2093, 2392, 2644, 2990, 3220, 3305, 3640, 4186, 4627, 5288, 5980, 6440, 6610, 8372, 8593, 9254, 10465, 11960, 13220, 15203, 16744, 17186, 18508, 20930, 23135, 26440, 30406, 34372, 37016, 41860, 42965, 46270, 60151, 60812, 68744, 76015, 83720, 85930, 92540, 106421, 120302, 121624, 152030, 171860, 185080, 197639, 212842, 240604, 300755, 304060, 343720, 395278, 425684, 481208, 532105, 601510, 608120, 790556, 851368, 988195, 1064210, 1203020, 1383473, 1581112, 1976390, 2128420, 2406040, 2766946, 3952780, 4256840, 5533892, 6917365, 7905560, 11067784, 13834730, 27669460, 55338920]

約数ペア:

[(1, 55338920), (2, 27669460), (4, 13834730), (5, 11067784), (7, 7905560), (8, 6917365), (10, 5533892), (13, 4256840), (14, 3952780), (20, 2766946), (23, 2406040), (26, 2128420), (28, 1976390), (35, 1581112), (40, 1383473), (46, 1203020), (52, 1064210), (56, 988195), (65, 851368), (70, 790556), (91, 608120), (92, 601510), (104, 532105), (115, 481208), (130, 425684), (140, 395278), (161, 343720), (182, 304060), (184, 300755), (230, 240604), (260, 212842), (280, 197639), (299, 185080), (322, 171860), (364, 152030), (455, 121624), (460, 120302), (520, 106421), (598, 92540), (644, 85930), (661, 83720), (728, 76015), (805, 68744), (910, 60812), (920, 60151), (1196, 46270), (1288, 42965), (1322, 41860), (1495, 37016), (1610, 34372), (1820, 30406), (2093, 26440), (2392, 23135), (2644, 20930), (2990, 18508), (3220, 17186), (3305, 16744), (3640, 15203), (4186, 13220), (4627, 11960), (5288, 10465), (5980, 9254), (6440, 8593), (6610, 8372)]