1987724040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1\times {\mathrm{709}}^1$

素因数の和:1167

約数の個数: 128

約数和(自身を含む): 6085324800

約数和(自身を除く): 4097600760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 383, 488, 610, 709, 732, 766, 915, 1149, 1220, 1418, 1464, 1532, 1830, 1915, 2127, 2298, 2440, 2836, 3064, 3545, 3660, 3830, 4254, 4596, 5672, 5745, 7090, 7320, 7660, 8508, 9192, 10635, 11490, 14180, 15320, 17016, 21270, 22980, 23363, 28360, 42540, 43249, 45960, 46726, 70089, 85080, 86498, 93452, 116815, 129747, 140178, 172996, 186904, 216245, 233630, 259494, 271547, 280356, 345992, 350445, 432490, 467260, 518988, 543094, 560712, 648735, 700890, 814641, 864980, 934520, 1037976, 1086188, 1297470, 1357735, 1401780, 1629282, 1729960, 2172376, 2594940, 2715470, 2803560, 3258564, 4073205, 5189880, 5430940, 6517128, 8146410, 10861880, 16292820, 16564367, 32585640, 33128734, 49693101, 66257468, 82821835, 99386202, 132514936, 165643670, 198772404, 248465505, 331287340, 397544808, 496931010, 662574680, 993862020, 1987724040]

約数ペア:

[(1, 1987724040), (2, 993862020), (3, 662574680), (4, 496931010), (5, 397544808), (6, 331287340), (8, 248465505), (10, 198772404), (12, 165643670), (15, 132514936), (20, 99386202), (24, 82821835), (30, 66257468), (40, 49693101), (60, 33128734), (61, 32585640), (120, 16564367), (122, 16292820), (183, 10861880), (244, 8146410), (305, 6517128), (366, 5430940), (383, 5189880), (488, 4073205), (610, 3258564), (709, 2803560), (732, 2715470), (766, 2594940), (915, 2172376), (1149, 1729960), (1220, 1629282), (1418, 1401780), (1464, 1357735), (1532, 1297470), (1830, 1086188), (1915, 1037976), (2127, 934520), (2298, 864980), (2440, 814641), (2836, 700890), (3064, 648735), (3545, 560712), (3660, 543094), (3830, 518988), (4254, 467260), (4596, 432490), (5672, 350445), (5745, 345992), (7090, 280356), (7320, 271547), (7660, 259494), (8508, 233630), (9192, 216245), (10635, 186904), (11490, 172996), (14180, 140178), (15320, 129747), (17016, 116815), (21270, 93452), (22980, 86498), (23363, 85080), (28360, 70089), (42540, 46726), (43249, 45960)]