221355680

素因数分解:

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

素因数の和:719

約数の個数: 192

約数和(自身を含む): 672634368

約数和(自身を除く): 451278688

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 65, 70, 80, 91, 92, 104, 112, 115, 130, 140, 160, 161, 182, 184, 208, 224, 230, 260, 280, 299, 322, 364, 368, 416, 455, 460, 520, 560, 598, 644, 661, 728, 736, 805, 910, 920, 1040, 1120, 1196, 1288, 1322, 1456, 1495, 1610, 1820, 1840, 2080, 2093, 2392, 2576, 2644, 2912, 2990, 3220, 3305, 3640, 3680, 4186, 4627, 4784, 5152, 5288, 5980, 6440, 6610, 7280, 8372, 8593, 9254, 9568, 10465, 10576, 11960, 12880, 13220, 14560, 15203, 16744, 17186, 18508, 20930, 21152, 23135, 23920, 25760, 26440, 30406, 33488, 34372, 37016, 41860, 42965, 46270, 47840, 52880, 60151, 60812, 66976, 68744, 74032, 76015, 83720, 85930, 92540, 105760, 106421, 120302, 121624, 137488, 148064, 152030, 167440, 171860, 185080, 197639, 212842, 240604, 243248, 274976, 300755, 304060, 334880, 343720, 370160, 395278, 425684, 481208, 486496, 532105, 601510, 608120, 687440, 740320, 790556, 851368, 962416, 988195, 1064210, 1203020, 1216240, 1374880, 1383473, 1581112, 1702736, 1924832, 1976390, 2128420, 2406040, 2432480, 2766946, 3162224, 3405472, 3952780, 4256840, 4812080, 5533892, 6324448, 6917365, 7905560, 8513680, 9624160, 11067784, 13834730, 15811120, 17027360, 22135568, 27669460, 31622240, 44271136, 55338920, 110677840, 221355680]

約数ペア:

[(1, 221355680), (2, 110677840), (4, 55338920), (5, 44271136), (7, 31622240), (8, 27669460), (10, 22135568), (13, 17027360), (14, 15811120), (16, 13834730), (20, 11067784), (23, 9624160), (26, 8513680), (28, 7905560), (32, 6917365), (35, 6324448), (40, 5533892), (46, 4812080), (52, 4256840), (56, 3952780), (65, 3405472), (70, 3162224), (80, 2766946), (91, 2432480), (92, 2406040), (104, 2128420), (112, 1976390), (115, 1924832), (130, 1702736), (140, 1581112), (160, 1383473), (161, 1374880), (182, 1216240), (184, 1203020), (208, 1064210), (224, 988195), (230, 962416), (260, 851368), (280, 790556), (299, 740320), (322, 687440), (364, 608120), (368, 601510), (416, 532105), (455, 486496), (460, 481208), (520, 425684), (560, 395278), (598, 370160), (644, 343720), (661, 334880), (728, 304060), (736, 300755), (805, 274976), (910, 243248), (920, 240604), (1040, 212842), (1120, 197639), (1196, 185080), (1288, 171860), (1322, 167440), (1456, 152030), (1495, 148064), (1610, 137488), (1820, 121624), (1840, 120302), (2080, 106421), (2093, 105760), (2392, 92540), (2576, 85930), (2644, 83720), (2912, 76015), (2990, 74032), (3220, 68744), (3305, 66976), (3640, 60812), (3680, 60151), (4186, 52880), (4627, 47840), (4784, 46270), (5152, 42965), (5288, 41860), (5980, 37016), (6440, 34372), (6610, 33488), (7280, 30406), (8372, 26440), (8593, 25760), (9254, 23920), (9568, 23135), (10465, 21152), (10576, 20930), (11960, 18508), (12880, 17186), (13220, 16744), (14560, 15203)]