27397760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 73256400

約数和(自身を除く): 45858640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 89, 104, 128, 130, 148, 160, 178, 185, 208, 260, 296, 320, 356, 370, 416, 445, 481, 520, 592, 640, 712, 740, 832, 890, 962, 1040, 1157, 1184, 1424, 1480, 1664, 1780, 1924, 2080, 2314, 2368, 2405, 2848, 2960, 3293, 3560, 3848, 4160, 4628, 4736, 4810, 5696, 5785, 5920, 6586, 7120, 7696, 8320, 9256, 9620, 11392, 11570, 11840, 13172, 14240, 15392, 16465, 18512, 19240, 23140, 23680, 26344, 28480, 30784, 32930, 37024, 38480, 42809, 46280, 52688, 56960, 61568, 65860, 74048, 76960, 85618, 92560, 105376, 131720, 148096, 153920, 171236, 185120, 210752, 214045, 263440, 307840, 342472, 370240, 421504, 428090, 526880, 684944, 740480, 856180, 1053760, 1369888, 1712360, 2107520, 2739776, 3424720, 5479552, 6849440, 13698880, 27397760]

約数ペア:

[(1, 27397760), (2, 13698880), (4, 6849440), (5, 5479552), (8, 3424720), (10, 2739776), (13, 2107520), (16, 1712360), (20, 1369888), (26, 1053760), (32, 856180), (37, 740480), (40, 684944), (52, 526880), (64, 428090), (65, 421504), (74, 370240), (80, 342472), (89, 307840), (104, 263440), (128, 214045), (130, 210752), (148, 185120), (160, 171236), (178, 153920), (185, 148096), (208, 131720), (260, 105376), (296, 92560), (320, 85618), (356, 76960), (370, 74048), (416, 65860), (445, 61568), (481, 56960), (520, 52688), (592, 46280), (640, 42809), (712, 38480), (740, 37024), (832, 32930), (890, 30784), (962, 28480), (1040, 26344), (1157, 23680), (1184, 23140), (1424, 19240), (1480, 18512), (1664, 16465), (1780, 15392), (1924, 14240), (2080, 13172), (2314, 11840), (2368, 11570), (2405, 11392), (2848, 9620), (2960, 9256), (3293, 8320), (3560, 7696), (3848, 7120), (4160, 6586), (4628, 5920), (4736, 5785), (4810, 5696)]