164069720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2711}}^1$

素因数の和:2828

約数の個数: 64

約数和(自身を含む): 395409600

約数和(自身を除く): 231339880

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, 1513, 1780, 2711, 3026, 3560, 5422, 6052, 7565, 10844, 12104, 13555, 15130, 21688, 27110, 30260, 46087, 54220, 60520, 92174, 108440, 184348, 230435, 241279, 368696, 460870, 482558, 921740, 965116, 1206395, 1843480, 1930232, 2412790, 4101743, 4825580, 8203486, 9651160, 16406972, 20508715, 32813944, 41017430, 82034860, 164069720]

約数ペア:

[(1, 164069720), (2, 82034860), (4, 41017430), (5, 32813944), (8, 20508715), (10, 16406972), (17, 9651160), (20, 8203486), (34, 4825580), (40, 4101743), (68, 2412790), (85, 1930232), (89, 1843480), (136, 1206395), (170, 965116), (178, 921740), (340, 482558), (356, 460870), (445, 368696), (680, 241279), (712, 230435), (890, 184348), (1513, 108440), (1780, 92174), (2711, 60520), (3026, 54220), (3560, 46087), (5422, 30260), (6052, 27110), (7565, 21688), (10844, 15130), (12104, 13555)]