80385120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{55823}}^1$

素因数の和:55844

約数の個数: 72

約数和(自身を含む): 274319136

約数和(自身を除く): 193934016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 55823, 111646, 167469, 223292, 279115, 334938, 446584, 502407, 558230, 669876, 837345, 893168, 1004814, 1116460, 1339752, 1674690, 1786336, 2009628, 2232920, 2512035, 2679504, 3349380, 4019256, 4465840, 5024070, 5359008, 6698760, 8038512, 8931680, 10048140, 13397520, 16077024, 20096280, 26795040, 40192560, 80385120]

約数ペア:

[(1, 80385120), (2, 40192560), (3, 26795040), (4, 20096280), (5, 16077024), (6, 13397520), (8, 10048140), (9, 8931680), (10, 8038512), (12, 6698760), (15, 5359008), (16, 5024070), (18, 4465840), (20, 4019256), (24, 3349380), (30, 2679504), (32, 2512035), (36, 2232920), (40, 2009628), (45, 1786336), (48, 1674690), (60, 1339752), (72, 1116460), (80, 1004814), (90, 893168), (96, 837345), (120, 669876), (144, 558230), (160, 502407), (180, 446584), (240, 334938), (288, 279115), (360, 223292), (480, 167469), (720, 111646), (1440, 55823)]