1803729280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 192

約数和(自身を含む): 4696084080

約数和(自身を除く): 2892354800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 128, 148, 152, 160, 185, 190, 211, 296, 304, 320, 361, 370, 380, 422, 592, 608, 640, 703, 722, 740, 760, 844, 1055, 1184, 1216, 1406, 1444, 1480, 1520, 1688, 1805, 2110, 2368, 2432, 2812, 2888, 2960, 3040, 3376, 3515, 3610, 4009, 4220, 4736, 5624, 5776, 5920, 6080, 6752, 7030, 7220, 7807, 8018, 8440, 11248, 11552, 11840, 12160, 13357, 13504, 14060, 14440, 15614, 16036, 16880, 20045, 22496, 23104, 23680, 26714, 27008, 28120, 28880, 31228, 32072, 33760, 39035, 40090, 44992, 46208, 53428, 56240, 57760, 62456, 64144, 66785, 67520, 76171, 78070, 80180, 89984, 106856, 112480, 115520, 124912, 128288, 133570, 135040, 148333, 152342, 156140, 160360, 213712, 224960, 231040, 249824, 256576, 267140, 296666, 304684, 312280, 320720, 380855, 427424, 449920, 499648, 513152, 534280, 593332, 609368, 624560, 641440, 741665, 761710, 854848, 999296, 1068560, 1186664, 1218736, 1249120, 1282880, 1483330, 1523420, 1709696, 2137120, 2373328, 2437472, 2498240, 2565760, 2818327, 2966660, 3046840, 4274240, 4746656, 4874944, 4996480, 5636654, 5933320, 6093680, 8548480, 9493312, 9749888, 11273308, 11866640, 12187360, 14091635, 18986624, 22546616, 23733280, 24374720, 28183270, 45093232, 47466560, 48749440, 56366540, 90186464, 94933120, 112733080, 180372928, 225466160, 360745856, 450932320, 901864640, 1803729280]

約数ペア:

[(1, 1803729280), (2, 901864640), (4, 450932320), (5, 360745856), (8, 225466160), (10, 180372928), (16, 112733080), (19, 94933120), (20, 90186464), (32, 56366540), (37, 48749440), (38, 47466560), (40, 45093232), (64, 28183270), (74, 24374720), (76, 23733280), (80, 22546616), (95, 18986624), (128, 14091635), (148, 12187360), (152, 11866640), (160, 11273308), (185, 9749888), (190, 9493312), (211, 8548480), (296, 6093680), (304, 5933320), (320, 5636654), (361, 4996480), (370, 4874944), (380, 4746656), (422, 4274240), (592, 3046840), (608, 2966660), (640, 2818327), (703, 2565760), (722, 2498240), (740, 2437472), (760, 2373328), (844, 2137120), (1055, 1709696), (1184, 1523420), (1216, 1483330), (1406, 1282880), (1444, 1249120), (1480, 1218736), (1520, 1186664), (1688, 1068560), (1805, 999296), (2110, 854848), (2368, 761710), (2432, 741665), (2812, 641440), (2888, 624560), (2960, 609368), (3040, 593332), (3376, 534280), (3515, 513152), (3610, 499648), (4009, 449920), (4220, 427424), (4736, 380855), (5624, 320720), (5776, 312280), (5920, 304684), (6080, 296666), (6752, 267140), (7030, 256576), (7220, 249824), (7807, 231040), (8018, 224960), (8440, 213712), (11248, 160360), (11552, 156140), (11840, 152342), (12160, 148333), (13357, 135040), (13504, 133570), (14060, 128288), (14440, 124912), (15614, 115520), (16036, 112480), (16880, 106856), (20045, 89984), (22496, 80180), (23104, 78070), (23680, 76171), (26714, 67520), (27008, 66785), (28120, 64144), (28880, 62456), (31228, 57760), (32072, 56240), (33760, 53428), (39035, 46208), (40090, 44992)]