218983380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 288

約数和(自身を含む): 800808960

約数和(自身を除く): 581825580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 31, 33, 35, 42, 44, 55, 60, 62, 66, 70, 77, 84, 93, 105, 110, 121, 124, 132, 139, 140, 154, 155, 165, 186, 210, 217, 220, 231, 242, 278, 308, 310, 330, 341, 363, 372, 385, 417, 420, 434, 462, 465, 484, 556, 605, 620, 651, 660, 682, 695, 726, 770, 834, 847, 868, 924, 930, 973, 1023, 1085, 1155, 1210, 1302, 1364, 1390, 1452, 1529, 1540, 1668, 1694, 1705, 1815, 1860, 1946, 2046, 2085, 2170, 2310, 2387, 2420, 2541, 2604, 2780, 2919, 3058, 3255, 3388, 3410, 3630, 3751, 3892, 4092, 4170, 4235, 4309, 4340, 4587, 4620, 4774, 4865, 5082, 5115, 5838, 6116, 6510, 6820, 7161, 7260, 7502, 7645, 8340, 8470, 8618, 9174, 9548, 9730, 10164, 10230, 10703, 11253, 11676, 11935, 12705, 12927, 13020, 14322, 14595, 15004, 15290, 16819, 16940, 17236, 18348, 18755, 19460, 20460, 21406, 21545, 22506, 22935, 23870, 25410, 25854, 26257, 28644, 29190, 30163, 30580, 32109, 33638, 35805, 37510, 42812, 43090, 45012, 45870, 47399, 47740, 50457, 50820, 51708, 52514, 53515, 56265, 58380, 60326, 64218, 64635, 67276, 71610, 75020, 78771, 84095, 86180, 90489, 91740, 94798, 100914, 105028, 107030, 112530, 117733, 120652, 128436, 129270, 131285, 142197, 143220, 150815, 157542, 160545, 168190, 180978, 189596, 201828, 214060, 225060, 235466, 236995, 252285, 258540, 262570, 284394, 301630, 315084, 321090, 331793, 336380, 353199, 361956, 393855, 452445, 470932, 473990, 504570, 521389, 525140, 568788, 588665, 603260, 642180, 663586, 706398, 710985, 787710, 904890, 947980, 995379, 1009140, 1042778, 1177330, 1327172, 1412796, 1421970, 1564167, 1575420, 1658965, 1765995, 1809780, 1990758, 2085556, 2354660, 2606945, 2843940, 3128334, 3317930, 3531990, 3649723, 3981516, 4976895, 5213890, 6256668, 6635860, 7063980, 7299446, 7820835, 9953790, 10427780, 10949169, 14598892, 15641670, 18248615, 19907580, 21898338, 31283340, 36497230, 43796676, 54745845, 72994460, 109491690, 218983380]

約数ペア:

[(1, 218983380), (2, 109491690), (3, 72994460), (4, 54745845), (5, 43796676), (6, 36497230), (7, 31283340), (10, 21898338), (11, 19907580), (12, 18248615), (14, 15641670), (15, 14598892), (20, 10949169), (21, 10427780), (22, 9953790), (28, 7820835), (30, 7299446), (31, 7063980), (33, 6635860), (35, 6256668), (42, 5213890), (44, 4976895), (55, 3981516), (60, 3649723), (62, 3531990), (66, 3317930), (70, 3128334), (77, 2843940), (84, 2606945), (93, 2354660), (105, 2085556), (110, 1990758), (121, 1809780), (124, 1765995), (132, 1658965), (139, 1575420), (140, 1564167), (154, 1421970), (155, 1412796), (165, 1327172), (186, 1177330), (210, 1042778), (217, 1009140), (220, 995379), (231, 947980), (242, 904890), (278, 787710), (308, 710985), (310, 706398), (330, 663586), (341, 642180), (363, 603260), (372, 588665), (385, 568788), (417, 525140), (420, 521389), (434, 504570), (462, 473990), (465, 470932), (484, 452445), (556, 393855), (605, 361956), (620, 353199), (651, 336380), (660, 331793), (682, 321090), (695, 315084), (726, 301630), (770, 284394), (834, 262570), (847, 258540), (868, 252285), (924, 236995), (930, 235466), (973, 225060), (1023, 214060), (1085, 201828), (1155, 189596), (1210, 180978), (1302, 168190), (1364, 160545), (1390, 157542), (1452, 150815), (1529, 143220), (1540, 142197), (1668, 131285), (1694, 129270), (1705, 128436), (1815, 120652), (1860, 117733), (1946, 112530), (2046, 107030), (2085, 105028), (2170, 100914), (2310, 94798), (2387, 91740), (2420, 90489), (2541, 86180), (2604, 84095), (2780, 78771), (2919, 75020), (3058, 71610), (3255, 67276), (3388, 64635), (3410, 64218), (3630, 60326), (3751, 58380), (3892, 56265), (4092, 53515), (4170, 52514), (4235, 51708), (4309, 50820), (4340, 50457), (4587, 47740), (4620, 47399), (4774, 45870), (4865, 45012), (5082, 43090), (5115, 42812), (5838, 37510), (6116, 35805), (6510, 33638), (6820, 32109), (7161, 30580), (7260, 30163), (7502, 29190), (7645, 28644), (8340, 26257), (8470, 25854), (8618, 25410), (9174, 23870), (9548, 22935), (9730, 22506), (10164, 21545), (10230, 21406), (10703, 20460), (11253, 19460), (11676, 18755), (11935, 18348), (12705, 17236), (12927, 16940), (13020, 16819), (14322, 15290), (14595, 15004)]