78978900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 288

約数和(自身を含む): 307980288

約数和(自身を除く): 229001388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 25, 26, 28, 30, 33, 35, 39, 42, 44, 50, 52, 55, 60, 65, 66, 70, 75, 77, 78, 84, 91, 100, 105, 110, 130, 132, 140, 143, 150, 154, 156, 165, 175, 182, 195, 210, 220, 231, 260, 263, 273, 275, 286, 300, 308, 325, 330, 350, 364, 385, 390, 420, 429, 455, 462, 525, 526, 546, 550, 572, 650, 660, 700, 715, 770, 780, 789, 825, 858, 910, 924, 975, 1001, 1050, 1052, 1092, 1100, 1155, 1300, 1315, 1365, 1430, 1540, 1578, 1650, 1716, 1820, 1841, 1925, 1950, 2002, 2100, 2145, 2275, 2310, 2630, 2730, 2860, 2893, 3003, 3156, 3300, 3419, 3575, 3682, 3850, 3900, 3945, 4004, 4290, 4550, 4620, 5005, 5260, 5460, 5523, 5775, 5786, 6006, 6575, 6825, 6838, 7150, 7364, 7700, 7890, 8580, 8679, 9100, 9205, 10010, 10257, 10725, 11046, 11550, 11572, 12012, 13150, 13650, 13676, 14300, 14465, 15015, 15780, 17095, 17358, 18410, 19725, 20020, 20251, 20514, 21450, 22092, 23100, 23933, 25025, 26300, 27300, 27615, 28930, 30030, 34190, 34716, 36820, 37609, 39450, 40502, 41028, 42900, 43395, 46025, 47866, 50050, 51285, 55230, 57860, 60060, 60753, 68380, 71799, 72325, 75075, 75218, 78900, 81004, 85475, 86790, 92050, 95732, 100100, 101255, 102570, 110460, 112827, 119665, 121506, 138075, 143598, 144650, 150150, 150436, 170950, 173580, 184100, 188045, 202510, 205140, 216975, 225654, 239330, 243012, 256425, 263263, 276150, 287196, 289300, 300300, 303765, 341900, 358995, 376090, 405020, 433950, 451308, 478660, 506275, 512850, 526526, 552300, 564135, 598325, 607530, 717990, 752180, 789789, 867900, 940225, 1012550, 1025700, 1053052, 1128270, 1196650, 1215060, 1316315, 1435980, 1518825, 1579578, 1794975, 1880450, 2025100, 2256540, 2393300, 2632630, 2820675, 3037650, 3159156, 3589950, 3760900, 3948945, 5265260, 5641350, 6075300, 6581575, 7179900, 7897890, 11282700, 13163150, 15795780, 19744725, 26326300, 39489450, 78978900]

約数ペア:

[(1, 78978900), (2, 39489450), (3, 26326300), (4, 19744725), (5, 15795780), (6, 13163150), (7, 11282700), (10, 7897890), (11, 7179900), (12, 6581575), (13, 6075300), (14, 5641350), (15, 5265260), (20, 3948945), (21, 3760900), (22, 3589950), (25, 3159156), (26, 3037650), (28, 2820675), (30, 2632630), (33, 2393300), (35, 2256540), (39, 2025100), (42, 1880450), (44, 1794975), (50, 1579578), (52, 1518825), (55, 1435980), (60, 1316315), (65, 1215060), (66, 1196650), (70, 1128270), (75, 1053052), (77, 1025700), (78, 1012550), (84, 940225), (91, 867900), (100, 789789), (105, 752180), (110, 717990), (130, 607530), (132, 598325), (140, 564135), (143, 552300), (150, 526526), (154, 512850), (156, 506275), (165, 478660), (175, 451308), (182, 433950), (195, 405020), (210, 376090), (220, 358995), (231, 341900), (260, 303765), (263, 300300), (273, 289300), (275, 287196), (286, 276150), (300, 263263), (308, 256425), (325, 243012), (330, 239330), (350, 225654), (364, 216975), (385, 205140), (390, 202510), (420, 188045), (429, 184100), (455, 173580), (462, 170950), (525, 150436), (526, 150150), (546, 144650), (550, 143598), (572, 138075), (650, 121506), (660, 119665), (700, 112827), (715, 110460), (770, 102570), (780, 101255), (789, 100100), (825, 95732), (858, 92050), (910, 86790), (924, 85475), (975, 81004), (1001, 78900), (1050, 75218), (1052, 75075), (1092, 72325), (1100, 71799), (1155, 68380), (1300, 60753), (1315, 60060), (1365, 57860), (1430, 55230), (1540, 51285), (1578, 50050), (1650, 47866), (1716, 46025), (1820, 43395), (1841, 42900), (1925, 41028), (1950, 40502), (2002, 39450), (2100, 37609), (2145, 36820), (2275, 34716), (2310, 34190), (2630, 30030), (2730, 28930), (2860, 27615), (2893, 27300), (3003, 26300), (3156, 25025), (3300, 23933), (3419, 23100), (3575, 22092), (3682, 21450), (3850, 20514), (3900, 20251), (3945, 20020), (4004, 19725), (4290, 18410), (4550, 17358), (4620, 17095), (5005, 15780), (5260, 15015), (5460, 14465), (5523, 14300), (5775, 13676), (5786, 13650), (6006, 13150), (6575, 12012), (6825, 11572), (6838, 11550), (7150, 11046), (7364, 10725), (7700, 10257), (7890, 10010), (8580, 9205), (8679, 9100)]