28392780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:523

約数の個数: 96

約数和(自身を含む): 86788800

約数和(自身を除く): 58396020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 130, 156, 178, 195, 260, 267, 356, 390, 409, 445, 534, 780, 818, 890, 1068, 1157, 1227, 1335, 1636, 1780, 2045, 2314, 2454, 2670, 3471, 4090, 4628, 4908, 5317, 5340, 5785, 6135, 6942, 8180, 10634, 11570, 12270, 13884, 15951, 17355, 21268, 23140, 24540, 26585, 31902, 34710, 36401, 53170, 63804, 69420, 72802, 79755, 106340, 109203, 145604, 159510, 182005, 218406, 319020, 364010, 436812, 473213, 546015, 728020, 946426, 1092030, 1419639, 1892852, 2184060, 2366065, 2839278, 4732130, 5678556, 7098195, 9464260, 14196390, 28392780]

約数ペア:

[(1, 28392780), (2, 14196390), (3, 9464260), (4, 7098195), (5, 5678556), (6, 4732130), (10, 2839278), (12, 2366065), (13, 2184060), (15, 1892852), (20, 1419639), (26, 1092030), (30, 946426), (39, 728020), (52, 546015), (60, 473213), (65, 436812), (78, 364010), (89, 319020), (130, 218406), (156, 182005), (178, 159510), (195, 145604), (260, 109203), (267, 106340), (356, 79755), (390, 72802), (409, 69420), (445, 63804), (534, 53170), (780, 36401), (818, 34710), (890, 31902), (1068, 26585), (1157, 24540), (1227, 23140), (1335, 21268), (1636, 17355), (1780, 15951), (2045, 13884), (2314, 12270), (2454, 11570), (2670, 10634), (3471, 8180), (4090, 6942), (4628, 6135), (4908, 5785), (5317, 5340)]