78465960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 269568000

約数和(自身を除く): 191102040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 79, 89, 90, 93, 120, 124, 155, 158, 178, 180, 186, 237, 248, 267, 279, 310, 316, 356, 360, 372, 395, 445, 465, 474, 534, 558, 620, 632, 711, 712, 744, 790, 801, 890, 930, 948, 1068, 1116, 1185, 1240, 1335, 1395, 1422, 1580, 1602, 1780, 1860, 1896, 2136, 2232, 2370, 2449, 2670, 2759, 2790, 2844, 3160, 3204, 3555, 3560, 3720, 4005, 4740, 4898, 5340, 5518, 5580, 5688, 6408, 7031, 7110, 7347, 8010, 8277, 9480, 9796, 10680, 11036, 11160, 12245, 13795, 14062, 14220, 14694, 16020, 16554, 19592, 21093, 22041, 22072, 24490, 24831, 27590, 28124, 28440, 29388, 32040, 33108, 35155, 36735, 41385, 42186, 44082, 48980, 49662, 55180, 56248, 58776, 63279, 66216, 70310, 73470, 82770, 84372, 88164, 97960, 99324, 105465, 110205, 110360, 124155, 126558, 140620, 146940, 165540, 168744, 176328, 198648, 210930, 217961, 220410, 248310, 253116, 281240, 293880, 316395, 331080, 421860, 435922, 440820, 496620, 506232, 632790, 653883, 843720, 871844, 881640, 993240, 1089805, 1265580, 1307766, 1743688, 1961649, 2179610, 2531160, 2615532, 3269415, 3923298, 4359220, 5231064, 6538830, 7846596, 8718440, 9808245, 13077660, 15693192, 19616490, 26155320, 39232980, 78465960]

約数ペア:

[(1, 78465960), (2, 39232980), (3, 26155320), (4, 19616490), (5, 15693192), (6, 13077660), (8, 9808245), (9, 8718440), (10, 7846596), (12, 6538830), (15, 5231064), (18, 4359220), (20, 3923298), (24, 3269415), (30, 2615532), (31, 2531160), (36, 2179610), (40, 1961649), (45, 1743688), (60, 1307766), (62, 1265580), (72, 1089805), (79, 993240), (89, 881640), (90, 871844), (93, 843720), (120, 653883), (124, 632790), (155, 506232), (158, 496620), (178, 440820), (180, 435922), (186, 421860), (237, 331080), (248, 316395), (267, 293880), (279, 281240), (310, 253116), (316, 248310), (356, 220410), (360, 217961), (372, 210930), (395, 198648), (445, 176328), (465, 168744), (474, 165540), (534, 146940), (558, 140620), (620, 126558), (632, 124155), (711, 110360), (712, 110205), (744, 105465), (790, 99324), (801, 97960), (890, 88164), (930, 84372), (948, 82770), (1068, 73470), (1116, 70310), (1185, 66216), (1240, 63279), (1335, 58776), (1395, 56248), (1422, 55180), (1580, 49662), (1602, 48980), (1780, 44082), (1860, 42186), (1896, 41385), (2136, 36735), (2232, 35155), (2370, 33108), (2449, 32040), (2670, 29388), (2759, 28440), (2790, 28124), (2844, 27590), (3160, 24831), (3204, 24490), (3555, 22072), (3560, 22041), (3720, 21093), (4005, 19592), (4740, 16554), (4898, 16020), (5340, 14694), (5518, 14220), (5580, 14062), (5688, 13795), (6408, 12245), (7031, 11160), (7110, 11036), (7347, 10680), (8010, 9796), (8277, 9480)]