90427520

素因数分解:

$2^7\times 5^1\times {\mathrm{229}}^1\times {\mathrm{617}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 217474200

約数和(自身を除く): 127046680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 229, 320, 458, 617, 640, 916, 1145, 1234, 1832, 2290, 2468, 3085, 3664, 4580, 4936, 6170, 7328, 9160, 9872, 12340, 14656, 18320, 19744, 24680, 29312, 36640, 39488, 49360, 73280, 78976, 98720, 141293, 146560, 197440, 282586, 394880, 565172, 706465, 1130344, 1412930, 2260688, 2825860, 4521376, 5651720, 9042752, 11303440, 18085504, 22606880, 45213760, 90427520]

約数ペア:

[(1, 90427520), (2, 45213760), (4, 22606880), (5, 18085504), (8, 11303440), (10, 9042752), (16, 5651720), (20, 4521376), (32, 2825860), (40, 2260688), (64, 1412930), (80, 1130344), (128, 706465), (160, 565172), (229, 394880), (320, 282586), (458, 197440), (617, 146560), (640, 141293), (916, 98720), (1145, 78976), (1234, 73280), (1832, 49360), (2290, 39488), (2468, 36640), (3085, 29312), (3664, 24680), (4580, 19744), (4936, 18320), (6170, 14656), (7328, 12340), (9160, 9872)]