61630720

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 149559480

約数和(自身を除く): 87928760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 541, 640, 712, 890, 1082, 1280, 1424, 1780, 2164, 2705, 2848, 3560, 4328, 5410, 5696, 7120, 8656, 10820, 11392, 14240, 17312, 21640, 22784, 28480, 34624, 43280, 48149, 56960, 69248, 86560, 96298, 113920, 138496, 173120, 192596, 240745, 346240, 385192, 481490, 692480, 770384, 962980, 1540768, 1925960, 3081536, 3851920, 6163072, 7703840, 12326144, 15407680, 30815360, 61630720]

約数ペア:

[(1, 61630720), (2, 30815360), (4, 15407680), (5, 12326144), (8, 7703840), (10, 6163072), (16, 3851920), (20, 3081536), (32, 1925960), (40, 1540768), (64, 962980), (80, 770384), (89, 692480), (128, 481490), (160, 385192), (178, 346240), (256, 240745), (320, 192596), (356, 173120), (445, 138496), (541, 113920), (640, 96298), (712, 86560), (890, 69248), (1082, 56960), (1280, 48149), (1424, 43280), (1780, 34624), (2164, 28480), (2705, 22784), (2848, 21640), (3560, 17312), (4328, 14240), (5410, 11392), (5696, 10820), (7120, 8656)]