71492480

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6571}}^1$

素因数の和:6607

約数の個数: 64

約数和(自身を含む): 180992880

約数和(自身を除く): 109500400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 6571, 10880, 13142, 26284, 32855, 52568, 65710, 105136, 111707, 131420, 210272, 223414, 262840, 420544, 446828, 525680, 558535, 841088, 893656, 1051360, 1117070, 1787312, 2102720, 2234140, 3574624, 4205440, 4468280, 7149248, 8936560, 14298496, 17873120, 35746240, 71492480]

約数ペア:

[(1, 71492480), (2, 35746240), (4, 17873120), (5, 14298496), (8, 8936560), (10, 7149248), (16, 4468280), (17, 4205440), (20, 3574624), (32, 2234140), (34, 2102720), (40, 1787312), (64, 1117070), (68, 1051360), (80, 893656), (85, 841088), (128, 558535), (136, 525680), (160, 446828), (170, 420544), (272, 262840), (320, 223414), (340, 210272), (544, 131420), (640, 111707), (680, 105136), (1088, 65710), (1360, 52568), (2176, 32855), (2720, 26284), (5440, 13142), (6571, 10880)]