19969516980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{112403}}^1$

素因数の和:112475

約数の個数: 192

約数和(自身を含む): 72514068480

約数和(自身を除く): 52544551500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 84, 90, 94, 105, 108, 126, 135, 140, 141, 180, 188, 189, 210, 235, 252, 270, 282, 315, 329, 378, 420, 423, 470, 540, 564, 630, 658, 705, 756, 846, 940, 945, 987, 1260, 1269, 1316, 1410, 1645, 1692, 1890, 1974, 2115, 2538, 2820, 2961, 3290, 3780, 3948, 4230, 4935, 5076, 5922, 6345, 6580, 8460, 8883, 9870, 11844, 12690, 14805, 17766, 19740, 25380, 29610, 35532, 44415, 59220, 88830, 112403, 177660, 224806, 337209, 449612, 562015, 674418, 786821, 1011627, 1124030, 1348836, 1573642, 1686045, 2023254, 2248060, 2360463, 3034881, 3147284, 3372090, 3934105, 4046508, 4720926, 5058135, 5282941, 6069762, 6744180, 7081389, 7868210, 9441852, 10116270, 10565882, 11802315, 12139524, 14162778, 15174405, 15736420, 15848823, 20232540, 21131764, 21244167, 23604630, 26414705, 28325556, 30348810, 31697646, 35406945, 36980587, 42488334, 47209260, 47546469, 52829410, 60697620, 63395292, 70813890, 73961174, 79244115, 84976668, 95092938, 105658820, 106220835, 110941761, 141627780, 142639407, 147922348, 158488230, 184902935, 190185876, 212441670, 221883522, 237732345, 285278814, 316976460, 332825283, 369805870, 424883340, 443767044, 475464690, 554708805, 570557628, 665650566, 713197035, 739611740, 950929380, 998475849, 1109417610, 1331301132, 1426394070, 1664126415, 1996951698, 2218835220, 2852788140, 3328252830, 3993903396, 4992379245, 6656505660, 9984758490, 19969516980]

約数ペア:

[(1, 19969516980), (2, 9984758490), (3, 6656505660), (4, 4992379245), (5, 3993903396), (6, 3328252830), (7, 2852788140), (9, 2218835220), (10, 1996951698), (12, 1664126415), (14, 1426394070), (15, 1331301132), (18, 1109417610), (20, 998475849), (21, 950929380), (27, 739611740), (28, 713197035), (30, 665650566), (35, 570557628), (36, 554708805), (42, 475464690), (45, 443767044), (47, 424883340), (54, 369805870), (60, 332825283), (63, 316976460), (70, 285278814), (84, 237732345), (90, 221883522), (94, 212441670), (105, 190185876), (108, 184902935), (126, 158488230), (135, 147922348), (140, 142639407), (141, 141627780), (180, 110941761), (188, 106220835), (189, 105658820), (210, 95092938), (235, 84976668), (252, 79244115), (270, 73961174), (282, 70813890), (315, 63395292), (329, 60697620), (378, 52829410), (420, 47546469), (423, 47209260), (470, 42488334), (540, 36980587), (564, 35406945), (630, 31697646), (658, 30348810), (705, 28325556), (756, 26414705), (846, 23604630), (940, 21244167), (945, 21131764), (987, 20232540), (1260, 15848823), (1269, 15736420), (1316, 15174405), (1410, 14162778), (1645, 12139524), (1692, 11802315), (1890, 10565882), (1974, 10116270), (2115, 9441852), (2538, 7868210), (2820, 7081389), (2961, 6744180), (3290, 6069762), (3780, 5282941), (3948, 5058135), (4230, 4720926), (4935, 4046508), (5076, 3934105), (5922, 3372090), (6345, 3147284), (6580, 3034881), (8460, 2360463), (8883, 2248060), (9870, 2023254), (11844, 1686045), (12690, 1573642), (14805, 1348836), (17766, 1124030), (19740, 1011627), (25380, 786821), (29610, 674418), (35532, 562015), (44415, 449612), (59220, 337209), (88830, 224806), (112403, 177660)]