19979517360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{244129}}^1$

素因数の和:244187

約数の個数: 160

約数和(自身を含む): 69746964480

約数和(自身を除く): 49767447120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 372, 440, 465, 496, 528, 620, 660, 682, 744, 880, 930, 1023, 1240, 1320, 1364, 1488, 1705, 1860, 2046, 2480, 2640, 2728, 3410, 3720, 4092, 5115, 5456, 6820, 7440, 8184, 10230, 13640, 16368, 20460, 27280, 40920, 81840, 244129, 488258, 732387, 976516, 1220645, 1464774, 1953032, 2441290, 2685419, 2929548, 3661935, 3906064, 4882580, 5370838, 5859096, 7323870, 7567999, 8056257, 9765160, 10741676, 11718192, 13427095, 14647740, 15135998, 16112514, 19530320, 21483352, 22703997, 26854190, 29295480, 30271996, 32225028, 37839995, 40281285, 42966704, 45407994, 53708380, 58590960, 60543992, 64450056, 75679990, 80562570, 83247989, 90815988, 107416760, 113519985, 121087984, 128900112, 151359980, 161125140, 166495978, 181631976, 214833520, 227039970, 249743967, 302719960, 322250280, 332991956, 363263952, 416239945, 454079940, 499487934, 605439920, 644500560, 665983912, 832479890, 908159880, 998975868, 1248719835, 1331967824, 1664959780, 1816319760, 1997951736, 2497439670, 3329919560, 3995903472, 4994879340, 6659839120, 9989758680, 19979517360]

約数ペア:

[(1, 19979517360), (2, 9989758680), (3, 6659839120), (4, 4994879340), (5, 3995903472), (6, 3329919560), (8, 2497439670), (10, 1997951736), (11, 1816319760), (12, 1664959780), (15, 1331967824), (16, 1248719835), (20, 998975868), (22, 908159880), (24, 832479890), (30, 665983912), (31, 644500560), (33, 605439920), (40, 499487934), (44, 454079940), (48, 416239945), (55, 363263952), (60, 332991956), (62, 322250280), (66, 302719960), (80, 249743967), (88, 227039970), (93, 214833520), (110, 181631976), (120, 166495978), (124, 161125140), (132, 151359980), (155, 128900112), (165, 121087984), (176, 113519985), (186, 107416760), (220, 90815988), (240, 83247989), (248, 80562570), (264, 75679990), (310, 64450056), (330, 60543992), (341, 58590960), (372, 53708380), (440, 45407994), (465, 42966704), (496, 40281285), (528, 37839995), (620, 32225028), (660, 30271996), (682, 29295480), (744, 26854190), (880, 22703997), (930, 21483352), (1023, 19530320), (1240, 16112514), (1320, 15135998), (1364, 14647740), (1488, 13427095), (1705, 11718192), (1860, 10741676), (2046, 9765160), (2480, 8056257), (2640, 7567999), (2728, 7323870), (3410, 5859096), (3720, 5370838), (4092, 4882580), (5115, 3906064), (5456, 3661935), (6820, 2929548), (7440, 2685419), (8184, 2441290), (10230, 1953032), (13640, 1464774), (16368, 1220645), (20460, 976516), (27280, 732387), (40920, 488258), (81840, 244129)]