73747840

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{829}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 177786000

約数和(自身を除く): 104038160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 829, 1112, 1390, 1658, 2224, 2780, 3316, 4145, 4448, 5560, 6632, 8290, 8896, 11120, 13264, 16580, 17792, 22240, 26528, 33160, 44480, 53056, 66320, 88960, 106112, 115231, 132640, 230462, 265280, 460924, 530560, 576155, 921848, 1152310, 1843696, 2304620, 3687392, 4609240, 7374784, 9218480, 14749568, 18436960, 36873920, 73747840]

約数ペア:

[(1, 73747840), (2, 36873920), (4, 18436960), (5, 14749568), (8, 9218480), (10, 7374784), (16, 4609240), (20, 3687392), (32, 2304620), (40, 1843696), (64, 1152310), (80, 921848), (128, 576155), (139, 530560), (160, 460924), (278, 265280), (320, 230462), (556, 132640), (640, 115231), (695, 106112), (829, 88960), (1112, 66320), (1390, 53056), (1658, 44480), (2224, 33160), (2780, 26528), (3316, 22240), (4145, 17792), (4448, 16580), (5560, 13264), (6632, 11120), (8290, 8896)]