1999671660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{727}}^1$

素因数の和:845

約数の個数: 288

約数和(自身を含む): 7250181120

約数和(自身を除く): 5250509460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 59, 60, 63, 70, 74, 84, 90, 105, 111, 118, 126, 140, 148, 177, 180, 185, 210, 222, 236, 252, 259, 295, 315, 333, 354, 370, 413, 420, 444, 518, 531, 555, 590, 630, 666, 708, 727, 740, 777, 826, 885, 1036, 1062, 1110, 1180, 1239, 1260, 1295, 1332, 1454, 1554, 1652, 1665, 1770, 2065, 2124, 2181, 2183, 2220, 2331, 2478, 2590, 2655, 2908, 3108, 3330, 3540, 3635, 3717, 3885, 4130, 4362, 4366, 4662, 4956, 5089, 5180, 5310, 6195, 6543, 6549, 6660, 7270, 7434, 7770, 8260, 8724, 8732, 9324, 10178, 10620, 10905, 10915, 11655, 12390, 13086, 13098, 14540, 14868, 15267, 15281, 15540, 18585, 19647, 20356, 21810, 21830, 23310, 24780, 25445, 26172, 26196, 26899, 30534, 30562, 32715, 32745, 37170, 39294, 42893, 43620, 43660, 45801, 45843, 46620, 50890, 53798, 61068, 61124, 65430, 65490, 74340, 76335, 76405, 78588, 80697, 85786, 91602, 91686, 98235, 101780, 107596, 128679, 130860, 130980, 134495, 137529, 152670, 152810, 161394, 171572, 183204, 183372, 188293, 196470, 214465, 229005, 229215, 242091, 257358, 268990, 275058, 300251, 305340, 305620, 322788, 376586, 386037, 392940, 403485, 428930, 458010, 458430, 484182, 514716, 537980, 550116, 564879, 600502, 643395, 687645, 753172, 772074, 806970, 857860, 900753, 916020, 916860, 941465, 968364, 1129758, 1201004, 1210455, 1286790, 1375290, 1501255, 1544148, 1587041, 1613940, 1694637, 1801506, 1882930, 1930185, 2259516, 2420910, 2573580, 2702259, 2750580, 2824395, 3002510, 3174082, 3389274, 3603012, 3765860, 3860370, 4503765, 4761123, 4841820, 5404518, 5648790, 6005020, 6348164, 6778548, 7720740, 7935205, 8473185, 9007530, 9522246, 10809036, 11109287, 11297580, 13511295, 14283369, 15870410, 16946370, 18015060, 19044492, 22218574, 23805615, 27022590, 28566738, 31740820, 33327861, 33892740, 44437148, 47611230, 54045180, 55546435, 57133476, 66655722, 71416845, 95222460, 99983583, 111092870, 133311444, 142833690, 166639305, 199967166, 222185740, 285667380, 333278610, 399934332, 499917915, 666557220, 999835830, 1999671660]

約数ペア:

[(1, 1999671660), (2, 999835830), (3, 666557220), (4, 499917915), (5, 399934332), (6, 333278610), (7, 285667380), (9, 222185740), (10, 199967166), (12, 166639305), (14, 142833690), (15, 133311444), (18, 111092870), (20, 99983583), (21, 95222460), (28, 71416845), (30, 66655722), (35, 57133476), (36, 55546435), (37, 54045180), (42, 47611230), (45, 44437148), (59, 33892740), (60, 33327861), (63, 31740820), (70, 28566738), (74, 27022590), (84, 23805615), (90, 22218574), (105, 19044492), (111, 18015060), (118, 16946370), (126, 15870410), (140, 14283369), (148, 13511295), (177, 11297580), (180, 11109287), (185, 10809036), (210, 9522246), (222, 9007530), (236, 8473185), (252, 7935205), (259, 7720740), (295, 6778548), (315, 6348164), (333, 6005020), (354, 5648790), (370, 5404518), (413, 4841820), (420, 4761123), (444, 4503765), (518, 3860370), (531, 3765860), (555, 3603012), (590, 3389274), (630, 3174082), (666, 3002510), (708, 2824395), (727, 2750580), (740, 2702259), (777, 2573580), (826, 2420910), (885, 2259516), (1036, 1930185), (1062, 1882930), (1110, 1801506), (1180, 1694637), (1239, 1613940), (1260, 1587041), (1295, 1544148), (1332, 1501255), (1454, 1375290), (1554, 1286790), (1652, 1210455), (1665, 1201004), (1770, 1129758), (2065, 968364), (2124, 941465), (2181, 916860), (2183, 916020), (2220, 900753), (2331, 857860), (2478, 806970), (2590, 772074), (2655, 753172), (2908, 687645), (3108, 643395), (3330, 600502), (3540, 564879), (3635, 550116), (3717, 537980), (3885, 514716), (4130, 484182), (4362, 458430), (4366, 458010), (4662, 428930), (4956, 403485), (5089, 392940), (5180, 386037), (5310, 376586), (6195, 322788), (6543, 305620), (6549, 305340), (6660, 300251), (7270, 275058), (7434, 268990), (7770, 257358), (8260, 242091), (8724, 229215), (8732, 229005), (9324, 214465), (10178, 196470), (10620, 188293), (10905, 183372), (10915, 183204), (11655, 171572), (12390, 161394), (13086, 152810), (13098, 152670), (14540, 137529), (14868, 134495), (15267, 130980), (15281, 130860), (15540, 128679), (18585, 107596), (19647, 101780), (20356, 98235), (21810, 91686), (21830, 91602), (23310, 85786), (24780, 80697), (25445, 78588), (26172, 76405), (26196, 76335), (26899, 74340), (30534, 65490), (30562, 65430), (32715, 61124), (32745, 61068), (37170, 53798), (39294, 50890), (42893, 46620), (43620, 45843), (43660, 45801)]