78939900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{173}}^1$

素因数の和:222

約数の個数: 216

約数和(自身を含む): 276388560

約数和(自身を除く): 197448660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 135, 150, 156, 169, 173, 180, 195, 225, 234, 260, 270, 300, 325, 338, 346, 351, 390, 450, 468, 507, 519, 540, 585, 650, 675, 676, 692, 702, 780, 845, 865, 900, 975, 1014, 1038, 1170, 1300, 1350, 1404, 1521, 1557, 1690, 1730, 1755, 1950, 2028, 2076, 2249, 2340, 2535, 2595, 2700, 2925, 3042, 3114, 3380, 3460, 3510, 3900, 4225, 4325, 4498, 4563, 4671, 5070, 5190, 5850, 6084, 6228, 6747, 7020, 7605, 7785, 8450, 8650, 8775, 8996, 9126, 9342, 10140, 10380, 11245, 11700, 12675, 12975, 13494, 15210, 15570, 16900, 17300, 17550, 18252, 18684, 20241, 22490, 22815, 23355, 25350, 25950, 26988, 29237, 30420, 31140, 33735, 35100, 38025, 38925, 40482, 44980, 45630, 46710, 50700, 51900, 56225, 58474, 60723, 67470, 76050, 77850, 80964, 87711, 91260, 93420, 101205, 112450, 114075, 116775, 116948, 121446, 134940, 146185, 152100, 155700, 168675, 175422, 202410, 224900, 228150, 233550, 242892, 263133, 292370, 303615, 337350, 350844, 404820, 438555, 456300, 467100, 506025, 526266, 584740, 607230, 674700, 730925, 789399, 877110, 1012050, 1052532, 1214460, 1315665, 1461850, 1518075, 1578798, 1754220, 2024100, 2192775, 2631330, 2923700, 3036150, 3157596, 3946995, 4385550, 5262660, 6072300, 6578325, 7893990, 8771100, 13156650, 15787980, 19734975, 26313300, 39469950, 78939900]

約数ペア:

[(1, 78939900), (2, 39469950), (3, 26313300), (4, 19734975), (5, 15787980), (6, 13156650), (9, 8771100), (10, 7893990), (12, 6578325), (13, 6072300), (15, 5262660), (18, 4385550), (20, 3946995), (25, 3157596), (26, 3036150), (27, 2923700), (30, 2631330), (36, 2192775), (39, 2024100), (45, 1754220), (50, 1578798), (52, 1518075), (54, 1461850), (60, 1315665), (65, 1214460), (75, 1052532), (78, 1012050), (90, 877110), (100, 789399), (108, 730925), (117, 674700), (130, 607230), (135, 584740), (150, 526266), (156, 506025), (169, 467100), (173, 456300), (180, 438555), (195, 404820), (225, 350844), (234, 337350), (260, 303615), (270, 292370), (300, 263133), (325, 242892), (338, 233550), (346, 228150), (351, 224900), (390, 202410), (450, 175422), (468, 168675), (507, 155700), (519, 152100), (540, 146185), (585, 134940), (650, 121446), (675, 116948), (676, 116775), (692, 114075), (702, 112450), (780, 101205), (845, 93420), (865, 91260), (900, 87711), (975, 80964), (1014, 77850), (1038, 76050), (1170, 67470), (1300, 60723), (1350, 58474), (1404, 56225), (1521, 51900), (1557, 50700), (1690, 46710), (1730, 45630), (1755, 44980), (1950, 40482), (2028, 38925), (2076, 38025), (2249, 35100), (2340, 33735), (2535, 31140), (2595, 30420), (2700, 29237), (2925, 26988), (3042, 25950), (3114, 25350), (3380, 23355), (3460, 22815), (3510, 22490), (3900, 20241), (4225, 18684), (4325, 18252), (4498, 17550), (4563, 17300), (4671, 16900), (5070, 15570), (5190, 15210), (5850, 13494), (6084, 12975), (6228, 12675), (6747, 11700), (7020, 11245), (7605, 10380), (7785, 10140), (8450, 9342), (8650, 9126), (8775, 8996)]