16648380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 58828224

約数和(自身を除く): 42179844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 181, 210, 219, 252, 292, 315, 362, 365, 420, 438, 511, 543, 630, 657, 724, 730, 876, 905, 1022, 1086, 1095, 1260, 1267, 1314, 1460, 1533, 1629, 1810, 2044, 2172, 2190, 2534, 2555, 2628, 2715, 3066, 3258, 3285, 3620, 3801, 4380, 4599, 5068, 5110, 5430, 6132, 6335, 6516, 6570, 7602, 7665, 8145, 9198, 10220, 10860, 11403, 12670, 13140, 13213, 15204, 15330, 16290, 18396, 19005, 22806, 22995, 25340, 26426, 30660, 32580, 38010, 39639, 45612, 45990, 52852, 57015, 66065, 76020, 79278, 91980, 92491, 114030, 118917, 132130, 158556, 184982, 198195, 228060, 237834, 264260, 277473, 369964, 396390, 462455, 475668, 554946, 594585, 792780, 832419, 924910, 1109892, 1189170, 1387365, 1664838, 1849820, 2378340, 2774730, 3329676, 4162095, 5549460, 8324190, 16648380]

約数ペア:

[(1, 16648380), (2, 8324190), (3, 5549460), (4, 4162095), (5, 3329676), (6, 2774730), (7, 2378340), (9, 1849820), (10, 1664838), (12, 1387365), (14, 1189170), (15, 1109892), (18, 924910), (20, 832419), (21, 792780), (28, 594585), (30, 554946), (35, 475668), (36, 462455), (42, 396390), (45, 369964), (60, 277473), (63, 264260), (70, 237834), (73, 228060), (84, 198195), (90, 184982), (105, 158556), (126, 132130), (140, 118917), (146, 114030), (180, 92491), (181, 91980), (210, 79278), (219, 76020), (252, 66065), (292, 57015), (315, 52852), (362, 45990), (365, 45612), (420, 39639), (438, 38010), (511, 32580), (543, 30660), (630, 26426), (657, 25340), (724, 22995), (730, 22806), (876, 19005), (905, 18396), (1022, 16290), (1086, 15330), (1095, 15204), (1260, 13213), (1267, 13140), (1314, 12670), (1460, 11403), (1533, 10860), (1629, 10220), (1810, 9198), (2044, 8145), (2172, 7665), (2190, 7602), (2534, 6570), (2555, 6516), (2628, 6335), (2715, 6132), (3066, 5430), (3258, 5110), (3285, 5068), (3620, 4599), (3801, 4380)]