211219120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^3\times {\mathrm{31}}^1$

素因数の和:120

約数の個数: 160

約数和(自身を含む): 605675520

約数和(自身を除く): 394456400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 368, 434, 460, 496, 529, 560, 620, 644, 713, 805, 868, 920, 1058, 1085, 1240, 1288, 1426, 1610, 1736, 1840, 2116, 2170, 2480, 2576, 2645, 2852, 3220, 3472, 3565, 3703, 4232, 4340, 4991, 5290, 5704, 6440, 7130, 7406, 8464, 8680, 9982, 10580, 11408, 12167, 12880, 14260, 14812, 16399, 17360, 18515, 19964, 21160, 24334, 24955, 28520, 29624, 32798, 37030, 39928, 42320, 48668, 49910, 57040, 59248, 60835, 65596, 74060, 79856, 81995, 85169, 97336, 99820, 114793, 121670, 131192, 148120, 163990, 170338, 194672, 199640, 229586, 243340, 262384, 296240, 327980, 340676, 377177, 399280, 425845, 459172, 486680, 573965, 655960, 681352, 754354, 851690, 918344, 973360, 1147930, 1311920, 1362704, 1508708, 1703380, 1836688, 1885885, 2295860, 2640239, 3017416, 3406760, 3771770, 4591720, 5280478, 6034832, 6813520, 7543540, 9183440, 10560956, 13201195, 15087080, 21121912, 26402390, 30174160, 42243824, 52804780, 105609560, 211219120]

約数ペア:

[(1, 211219120), (2, 105609560), (4, 52804780), (5, 42243824), (7, 30174160), (8, 26402390), (10, 21121912), (14, 15087080), (16, 13201195), (20, 10560956), (23, 9183440), (28, 7543540), (31, 6813520), (35, 6034832), (40, 5280478), (46, 4591720), (56, 3771770), (62, 3406760), (70, 3017416), (80, 2640239), (92, 2295860), (112, 1885885), (115, 1836688), (124, 1703380), (140, 1508708), (155, 1362704), (161, 1311920), (184, 1147930), (217, 973360), (230, 918344), (248, 851690), (280, 754354), (310, 681352), (322, 655960), (368, 573965), (434, 486680), (460, 459172), (496, 425845), (529, 399280), (560, 377177), (620, 340676), (644, 327980), (713, 296240), (805, 262384), (868, 243340), (920, 229586), (1058, 199640), (1085, 194672), (1240, 170338), (1288, 163990), (1426, 148120), (1610, 131192), (1736, 121670), (1840, 114793), (2116, 99820), (2170, 97336), (2480, 85169), (2576, 81995), (2645, 79856), (2852, 74060), (3220, 65596), (3472, 60835), (3565, 59248), (3703, 57040), (4232, 49910), (4340, 48668), (4991, 42320), (5290, 39928), (5704, 37030), (6440, 32798), (7130, 29624), (7406, 28520), (8464, 24955), (8680, 24334), (9982, 21160), (10580, 19964), (11408, 18515), (12167, 17360), (12880, 16399), (14260, 14812)]