78991920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{2239}}^1$

素因数の和:2272

約数の個数: 180

約数和(自身を含む): 308730240

約数和(自身を除く): 229738320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2239, 2352, 2520, 2940, 3528, 3920, 4410, 4478, 5040, 5880, 6717, 7056, 8820, 8956, 11195, 11760, 13434, 15673, 17640, 17912, 20151, 22390, 26868, 31346, 33585, 35280, 35824, 40302, 44780, 47019, 53736, 62692, 67170, 78365, 80604, 89560, 94038, 100755, 107472, 109711, 125384, 134340, 141057, 156730, 161208, 179120, 188076, 201510, 219422, 235095, 250768, 268680, 282114, 313460, 322416, 329133, 376152, 403020, 438844, 470190, 537360, 548555, 564228, 626920, 658266, 705285, 752304, 806040, 877688, 940380, 987399, 1097110, 1128456, 1253840, 1316532, 1410570, 1612080, 1645665, 1755376, 1880760, 1974798, 2194220, 2256912, 2633064, 2821140, 3291330, 3761520, 3949596, 4388440, 4936995, 5266128, 5642280, 6582660, 7899192, 8776880, 9873990, 11284560, 13165320, 15798384, 19747980, 26330640, 39495960, 78991920]

約数ペア:

[(1, 78991920), (2, 39495960), (3, 26330640), (4, 19747980), (5, 15798384), (6, 13165320), (7, 11284560), (8, 9873990), (9, 8776880), (10, 7899192), (12, 6582660), (14, 5642280), (15, 5266128), (16, 4936995), (18, 4388440), (20, 3949596), (21, 3761520), (24, 3291330), (28, 2821140), (30, 2633064), (35, 2256912), (36, 2194220), (40, 1974798), (42, 1880760), (45, 1755376), (48, 1645665), (49, 1612080), (56, 1410570), (60, 1316532), (63, 1253840), (70, 1128456), (72, 1097110), (80, 987399), (84, 940380), (90, 877688), (98, 806040), (105, 752304), (112, 705285), (120, 658266), (126, 626920), (140, 564228), (144, 548555), (147, 537360), (168, 470190), (180, 438844), (196, 403020), (210, 376152), (240, 329133), (245, 322416), (252, 313460), (280, 282114), (294, 268680), (315, 250768), (336, 235095), (360, 219422), (392, 201510), (420, 188076), (441, 179120), (490, 161208), (504, 156730), (560, 141057), (588, 134340), (630, 125384), (720, 109711), (735, 107472), (784, 100755), (840, 94038), (882, 89560), (980, 80604), (1008, 78365), (1176, 67170), (1260, 62692), (1470, 53736), (1680, 47019), (1764, 44780), (1960, 40302), (2205, 35824), (2239, 35280), (2352, 33585), (2520, 31346), (2940, 26868), (3528, 22390), (3920, 20151), (4410, 17912), (4478, 17640), (5040, 15673), (5880, 13434), (6717, 11760), (7056, 11195), (8820, 8956)]