77840880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 264774720

約数和(自身を除く): 186933840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 61, 65, 78, 80, 104, 120, 122, 130, 156, 183, 195, 208, 240, 244, 260, 305, 312, 366, 390, 409, 488, 520, 610, 624, 732, 780, 793, 818, 915, 976, 1040, 1220, 1227, 1464, 1560, 1586, 1636, 1830, 2045, 2379, 2440, 2454, 2928, 3120, 3172, 3272, 3660, 3965, 4090, 4758, 4880, 4908, 5317, 6135, 6344, 6544, 7320, 7930, 8180, 9516, 9816, 10634, 11895, 12270, 12688, 14640, 15860, 15951, 16360, 19032, 19632, 21268, 23790, 24540, 24949, 26585, 31720, 31902, 32720, 38064, 42536, 47580, 49080, 49898, 53170, 63440, 63804, 74847, 79755, 85072, 95160, 98160, 99796, 106340, 124745, 127608, 149694, 159510, 190320, 199592, 212680, 249490, 255216, 299388, 319020, 324337, 374235, 399184, 425360, 498980, 598776, 638040, 648674, 748470, 973011, 997960, 1197552, 1276080, 1297348, 1496940, 1621685, 1946022, 1995920, 2594696, 2993880, 3243370, 3892044, 4865055, 5189392, 5987760, 6486740, 7784088, 9730110, 12973480, 15568176, 19460220, 25946960, 38920440, 77840880]

約数ペア:

[(1, 77840880), (2, 38920440), (3, 25946960), (4, 19460220), (5, 15568176), (6, 12973480), (8, 9730110), (10, 7784088), (12, 6486740), (13, 5987760), (15, 5189392), (16, 4865055), (20, 3892044), (24, 3243370), (26, 2993880), (30, 2594696), (39, 1995920), (40, 1946022), (48, 1621685), (52, 1496940), (60, 1297348), (61, 1276080), (65, 1197552), (78, 997960), (80, 973011), (104, 748470), (120, 648674), (122, 638040), (130, 598776), (156, 498980), (183, 425360), (195, 399184), (208, 374235), (240, 324337), (244, 319020), (260, 299388), (305, 255216), (312, 249490), (366, 212680), (390, 199592), (409, 190320), (488, 159510), (520, 149694), (610, 127608), (624, 124745), (732, 106340), (780, 99796), (793, 98160), (818, 95160), (915, 85072), (976, 79755), (1040, 74847), (1220, 63804), (1227, 63440), (1464, 53170), (1560, 49898), (1586, 49080), (1636, 47580), (1830, 42536), (2045, 38064), (2379, 32720), (2440, 31902), (2454, 31720), (2928, 26585), (3120, 24949), (3172, 24540), (3272, 23790), (3660, 21268), (3965, 19632), (4090, 19032), (4758, 16360), (4880, 15951), (4908, 15860), (5317, 14640), (6135, 12688), (6344, 12270), (6544, 11895), (7320, 10634), (7930, 9816), (8180, 9516)]