71967280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1669}}^1$

素因数の和:1707

約数の個数: 120

約数和(自身を含む): 212464080

約数和(自身を除く): 140496800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1232, 1540, 1669, 1960, 2156, 2695, 3080, 3338, 3920, 4312, 5390, 6160, 6676, 8345, 8624, 10780, 11683, 13352, 16690, 18359, 21560, 23366, 26704, 33380, 36718, 43120, 46732, 58415, 66760, 73436, 81781, 91795, 93464, 116830, 128513, 133520, 146872, 163562, 183590, 186928, 233660, 257026, 293744, 327124, 367180, 408905, 467320, 514052, 642565, 654248, 734360, 817810, 899591, 934640, 1028104, 1285130, 1308496, 1468720, 1635620, 1799182, 2056208, 2570260, 3271240, 3598364, 4497955, 5140520, 6542480, 7196728, 8995910, 10281040, 14393456, 17991820, 35983640, 71967280]

約数ペア:

[(1, 71967280), (2, 35983640), (4, 17991820), (5, 14393456), (7, 10281040), (8, 8995910), (10, 7196728), (11, 6542480), (14, 5140520), (16, 4497955), (20, 3598364), (22, 3271240), (28, 2570260), (35, 2056208), (40, 1799182), (44, 1635620), (49, 1468720), (55, 1308496), (56, 1285130), (70, 1028104), (77, 934640), (80, 899591), (88, 817810), (98, 734360), (110, 654248), (112, 642565), (140, 514052), (154, 467320), (176, 408905), (196, 367180), (220, 327124), (245, 293744), (280, 257026), (308, 233660), (385, 186928), (392, 183590), (440, 163562), (490, 146872), (539, 133520), (560, 128513), (616, 116830), (770, 93464), (784, 91795), (880, 81781), (980, 73436), (1078, 66760), (1232, 58415), (1540, 46732), (1669, 43120), (1960, 36718), (2156, 33380), (2695, 26704), (3080, 23366), (3338, 21560), (3920, 18359), (4312, 16690), (5390, 13352), (6160, 11683), (6676, 10780), (8345, 8624)]