156931920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 557107200

約数和(自身を除く): 400175280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 79, 80, 89, 90, 93, 120, 124, 144, 155, 158, 178, 180, 186, 237, 240, 248, 267, 279, 310, 316, 356, 360, 372, 395, 445, 465, 474, 496, 534, 558, 620, 632, 711, 712, 720, 744, 790, 801, 890, 930, 948, 1068, 1116, 1185, 1240, 1264, 1335, 1395, 1422, 1424, 1488, 1580, 1602, 1780, 1860, 1896, 2136, 2232, 2370, 2449, 2480, 2670, 2759, 2790, 2844, 3160, 3204, 3555, 3560, 3720, 3792, 4005, 4272, 4464, 4740, 4898, 5340, 5518, 5580, 5688, 6320, 6408, 7031, 7110, 7120, 7347, 7440, 8010, 8277, 9480, 9796, 10680, 11036, 11160, 11376, 12245, 12816, 13795, 14062, 14220, 14694, 16020, 16554, 18960, 19592, 21093, 21360, 22041, 22072, 22320, 24490, 24831, 27590, 28124, 28440, 29388, 32040, 33108, 35155, 36735, 39184, 41385, 42186, 44082, 44144, 48980, 49662, 55180, 56248, 56880, 58776, 63279, 64080, 66216, 70310, 73470, 82770, 84372, 88164, 97960, 99324, 105465, 110205, 110360, 112496, 117552, 124155, 126558, 132432, 140620, 146940, 165540, 168744, 176328, 195920, 198648, 210930, 217961, 220410, 220720, 248310, 253116, 281240, 293880, 316395, 331080, 337488, 352656, 397296, 421860, 435922, 440820, 496620, 506232, 562480, 587760, 632790, 653883, 662160, 843720, 871844, 881640, 993240, 1012464, 1089805, 1265580, 1307766, 1687440, 1743688, 1763280, 1961649, 1986480, 2179610, 2531160, 2615532, 3269415, 3487376, 3923298, 4359220, 5062320, 5231064, 6538830, 7846596, 8718440, 9808245, 10462128, 13077660, 15693192, 17436880, 19616490, 26155320, 31386384, 39232980, 52310640, 78465960, 156931920]

約数ペア:

[(1, 156931920), (2, 78465960), (3, 52310640), (4, 39232980), (5, 31386384), (6, 26155320), (8, 19616490), (9, 17436880), (10, 15693192), (12, 13077660), (15, 10462128), (16, 9808245), (18, 8718440), (20, 7846596), (24, 6538830), (30, 5231064), (31, 5062320), (36, 4359220), (40, 3923298), (45, 3487376), (48, 3269415), (60, 2615532), (62, 2531160), (72, 2179610), (79, 1986480), (80, 1961649), (89, 1763280), (90, 1743688), (93, 1687440), (120, 1307766), (124, 1265580), (144, 1089805), (155, 1012464), (158, 993240), (178, 881640), (180, 871844), (186, 843720), (237, 662160), (240, 653883), (248, 632790), (267, 587760), (279, 562480), (310, 506232), (316, 496620), (356, 440820), (360, 435922), (372, 421860), (395, 397296), (445, 352656), (465, 337488), (474, 331080), (496, 316395), (534, 293880), (558, 281240), (620, 253116), (632, 248310), (711, 220720), (712, 220410), (720, 217961), (744, 210930), (790, 198648), (801, 195920), (890, 176328), (930, 168744), (948, 165540), (1068, 146940), (1116, 140620), (1185, 132432), (1240, 126558), (1264, 124155), (1335, 117552), (1395, 112496), (1422, 110360), (1424, 110205), (1488, 105465), (1580, 99324), (1602, 97960), (1780, 88164), (1860, 84372), (1896, 82770), (2136, 73470), (2232, 70310), (2370, 66216), (2449, 64080), (2480, 63279), (2670, 58776), (2759, 56880), (2790, 56248), (2844, 55180), (3160, 49662), (3204, 48980), (3555, 44144), (3560, 44082), (3720, 42186), (3792, 41385), (4005, 39184), (4272, 36735), (4464, 35155), (4740, 33108), (4898, 32040), (5340, 29388), (5518, 28440), (5580, 28124), (5688, 27590), (6320, 24831), (6408, 24490), (7031, 22320), (7110, 22072), (7120, 22041), (7347, 21360), (7440, 21093), (8010, 19592), (8277, 18960), (9480, 16554), (9796, 16020), (10680, 14694), (11036, 14220), (11160, 14062), (11376, 13795), (12245, 12816)]