2009408520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{8513}}^1$

素因数の和:8815

約数の個数: 128

約数和(自身を含む): 6914730240

約数和(自身を除く): 4905321720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 281, 420, 562, 840, 843, 1124, 1405, 1686, 1967, 2248, 2810, 3372, 3934, 4215, 5620, 5901, 6744, 7868, 8430, 8513, 9835, 11240, 11802, 15736, 16860, 17026, 19670, 23604, 25539, 29505, 33720, 34052, 39340, 42565, 47208, 51078, 59010, 59591, 68104, 78680, 85130, 102156, 118020, 119182, 127695, 170260, 178773, 204312, 236040, 238364, 255390, 297955, 340520, 357546, 476728, 510780, 595910, 715092, 893865, 1021560, 1191820, 1430184, 1787730, 2383640, 2392153, 3575460, 4784306, 7150920, 7176459, 9568612, 11960765, 14352918, 16745071, 19137224, 23921530, 28705836, 33490142, 35882295, 47843060, 50235213, 57411672, 66980284, 71764590, 83725355, 95686120, 100470426, 133960568, 143529180, 167450710, 200940852, 251176065, 287058360, 334901420, 401881704, 502352130, 669802840, 1004704260, 2009408520]

約数ペア:

[(1, 2009408520), (2, 1004704260), (3, 669802840), (4, 502352130), (5, 401881704), (6, 334901420), (7, 287058360), (8, 251176065), (10, 200940852), (12, 167450710), (14, 143529180), (15, 133960568), (20, 100470426), (21, 95686120), (24, 83725355), (28, 71764590), (30, 66980284), (35, 57411672), (40, 50235213), (42, 47843060), (56, 35882295), (60, 33490142), (70, 28705836), (84, 23921530), (105, 19137224), (120, 16745071), (140, 14352918), (168, 11960765), (210, 9568612), (280, 7176459), (281, 7150920), (420, 4784306), (562, 3575460), (840, 2392153), (843, 2383640), (1124, 1787730), (1405, 1430184), (1686, 1191820), (1967, 1021560), (2248, 893865), (2810, 715092), (3372, 595910), (3934, 510780), (4215, 476728), (5620, 357546), (5901, 340520), (6744, 297955), (7868, 255390), (8430, 238364), (8513, 236040), (9835, 204312), (11240, 178773), (11802, 170260), (15736, 127695), (16860, 119182), (17026, 118020), (19670, 102156), (23604, 85130), (25539, 78680), (29505, 68104), (33720, 59591), (34052, 59010), (39340, 51078), (42565, 47208)]