77479640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 212751360

約数和(自身を除く): 135271720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 53, 56, 70, 92, 106, 115, 140, 161, 184, 212, 227, 230, 265, 280, 322, 371, 424, 454, 460, 530, 644, 742, 805, 908, 920, 1060, 1135, 1219, 1288, 1484, 1589, 1610, 1816, 1855, 2120, 2270, 2438, 2968, 3178, 3220, 3710, 4540, 4876, 5221, 6095, 6356, 6440, 7420, 7945, 8533, 9080, 9752, 10442, 12031, 12190, 12712, 14840, 15890, 17066, 20884, 24062, 24380, 26105, 31780, 34132, 36547, 41768, 42665, 48124, 48760, 52210, 60155, 63560, 68264, 73094, 84217, 85330, 96248, 104420, 120310, 146188, 168434, 170660, 182735, 208840, 240620, 276713, 292376, 336868, 341320, 365470, 421085, 481240, 553426, 673736, 730940, 842170, 1106852, 1383565, 1461880, 1684340, 1936991, 2213704, 2767130, 3368680, 3873982, 5534260, 7747964, 9684955, 11068520, 15495928, 19369910, 38739820, 77479640]

約数ペア:

[(1, 77479640), (2, 38739820), (4, 19369910), (5, 15495928), (7, 11068520), (8, 9684955), (10, 7747964), (14, 5534260), (20, 3873982), (23, 3368680), (28, 2767130), (35, 2213704), (40, 1936991), (46, 1684340), (53, 1461880), (56, 1383565), (70, 1106852), (92, 842170), (106, 730940), (115, 673736), (140, 553426), (161, 481240), (184, 421085), (212, 365470), (227, 341320), (230, 336868), (265, 292376), (280, 276713), (322, 240620), (371, 208840), (424, 182735), (454, 170660), (460, 168434), (530, 146188), (644, 120310), (742, 104420), (805, 96248), (908, 85330), (920, 84217), (1060, 73094), (1135, 68264), (1219, 63560), (1288, 60155), (1484, 52210), (1589, 48760), (1610, 48124), (1816, 42665), (1855, 41768), (2120, 36547), (2270, 34132), (2438, 31780), (2968, 26105), (3178, 24380), (3220, 24062), (3710, 20884), (4540, 17066), (4876, 15890), (5221, 14840), (6095, 12712), (6356, 12190), (6440, 12031), (7420, 10442), (7945, 9752), (8533, 9080)]