87572440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 211118400

約数和(自身を除く): 123545960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 890, 1447, 1513, 1780, 2894, 3026, 3560, 5788, 6052, 7235, 7565, 11576, 12104, 14470, 15130, 24599, 28940, 30260, 49198, 57880, 60520, 98396, 122995, 128783, 196792, 245990, 257566, 491980, 515132, 643915, 983960, 1030264, 1287830, 2189311, 2575660, 4378622, 5151320, 8757244, 10946555, 17514488, 21893110, 43786220, 87572440]

約数ペア:

[(1, 87572440), (2, 43786220), (4, 21893110), (5, 17514488), (8, 10946555), (10, 8757244), (17, 5151320), (20, 4378622), (34, 2575660), (40, 2189311), (68, 1287830), (85, 1030264), (89, 983960), (136, 643915), (170, 515132), (178, 491980), (340, 257566), (356, 245990), (445, 196792), (680, 128783), (712, 122995), (890, 98396), (1447, 60520), (1513, 57880), (1780, 49198), (2894, 30260), (3026, 28940), (3560, 24599), (5788, 15130), (6052, 14470), (7235, 12104), (7565, 11576)]