279391840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:685

約数の個数: 192

約数和(自身を含む): 839946240

約数和(自身を除く): 560554400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 364, 403, 416, 434, 455, 496, 520, 560, 619, 620, 728, 806, 868, 910, 992, 1040, 1085, 1120, 1238, 1240, 1456, 1612, 1736, 1820, 2015, 2080, 2170, 2476, 2480, 2821, 2912, 3095, 3224, 3472, 3640, 4030, 4333, 4340, 4952, 4960, 5642, 6190, 6448, 6944, 7280, 8047, 8060, 8666, 8680, 9904, 11284, 12380, 12896, 14105, 14560, 16094, 16120, 17332, 17360, 19189, 19808, 21665, 22568, 24760, 28210, 32188, 32240, 34664, 34720, 38378, 40235, 43330, 45136, 49520, 56329, 56420, 64376, 64480, 69328, 76756, 80470, 86660, 90272, 95945, 99040, 112658, 112840, 128752, 134323, 138656, 153512, 160940, 173320, 191890, 225316, 225680, 249457, 257504, 268646, 281645, 307024, 321880, 346640, 383780, 450632, 451360, 498914, 537292, 563290, 614048, 643760, 671615, 693280, 767560, 901264, 997828, 1074584, 1126580, 1247285, 1287520, 1343230, 1535120, 1746199, 1802528, 1995656, 2149168, 2253160, 2494570, 2686460, 3070240, 3492398, 3991312, 4298336, 4506320, 4989140, 5372920, 6984796, 7982624, 8730995, 9012640, 9978280, 10745840, 13969592, 17461990, 19956560, 21491680, 27939184, 34923980, 39913120, 55878368, 69847960, 139695920, 279391840]

約数ペア:

[(1, 279391840), (2, 139695920), (4, 69847960), (5, 55878368), (7, 39913120), (8, 34923980), (10, 27939184), (13, 21491680), (14, 19956560), (16, 17461990), (20, 13969592), (26, 10745840), (28, 9978280), (31, 9012640), (32, 8730995), (35, 7982624), (40, 6984796), (52, 5372920), (56, 4989140), (62, 4506320), (65, 4298336), (70, 3991312), (80, 3492398), (91, 3070240), (104, 2686460), (112, 2494570), (124, 2253160), (130, 2149168), (140, 1995656), (155, 1802528), (160, 1746199), (182, 1535120), (208, 1343230), (217, 1287520), (224, 1247285), (248, 1126580), (260, 1074584), (280, 997828), (310, 901264), (364, 767560), (403, 693280), (416, 671615), (434, 643760), (455, 614048), (496, 563290), (520, 537292), (560, 498914), (619, 451360), (620, 450632), (728, 383780), (806, 346640), (868, 321880), (910, 307024), (992, 281645), (1040, 268646), (1085, 257504), (1120, 249457), (1238, 225680), (1240, 225316), (1456, 191890), (1612, 173320), (1736, 160940), (1820, 153512), (2015, 138656), (2080, 134323), (2170, 128752), (2476, 112840), (2480, 112658), (2821, 99040), (2912, 95945), (3095, 90272), (3224, 86660), (3472, 80470), (3640, 76756), (4030, 69328), (4333, 64480), (4340, 64376), (4952, 56420), (4960, 56329), (5642, 49520), (6190, 45136), (6448, 43330), (6944, 40235), (7280, 38378), (8047, 34720), (8060, 34664), (8666, 32240), (8680, 32188), (9904, 28210), (11284, 24760), (12380, 22568), (12896, 21665), (14105, 19808), (14560, 19189), (16094, 17360), (16120, 17332)]