90575745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 167650560

約数和(自身を除く): 77074815

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 89, 195, 221, 255, 267, 307, 445, 663, 921, 1105, 1157, 1335, 1513, 1535, 3315, 3471, 3991, 4539, 4605, 5219, 5785, 7565, 11973, 15657, 17355, 19669, 19955, 22695, 26095, 27323, 59007, 59865, 67847, 78285, 81969, 98345, 136615, 203541, 295035, 339235, 355199, 409845, 464491, 1017705, 1065597, 1393473, 1775995, 2322455, 5327985, 6038383, 6967365, 18115149, 30191915, 90575745]

約数ペア:

[(1, 90575745), (3, 30191915), (5, 18115149), (13, 6967365), (15, 6038383), (17, 5327985), (39, 2322455), (51, 1775995), (65, 1393473), (85, 1065597), (89, 1017705), (195, 464491), (221, 409845), (255, 355199), (267, 339235), (307, 295035), (445, 203541), (663, 136615), (921, 98345), (1105, 81969), (1157, 78285), (1335, 67847), (1513, 59865), (1535, 59007), (3315, 27323), (3471, 26095), (3991, 22695), (4539, 19955), (4605, 19669), (5219, 17355), (5785, 15657), (7565, 11973)]