1720260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 5503680

約数和(自身を除く): 3783420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 503, 570, 684, 855, 1006, 1140, 1509, 1710, 2012, 2515, 3018, 3420, 4527, 5030, 6036, 7545, 9054, 9557, 10060, 15090, 18108, 19114, 22635, 28671, 30180, 38228, 45270, 47785, 57342, 86013, 90540, 95570, 114684, 143355, 172026, 191140, 286710, 344052, 430065, 573420, 860130, 1720260]

約数ペア:

[(1, 1720260), (2, 860130), (3, 573420), (4, 430065), (5, 344052), (6, 286710), (9, 191140), (10, 172026), (12, 143355), (15, 114684), (18, 95570), (19, 90540), (20, 86013), (30, 57342), (36, 47785), (38, 45270), (45, 38228), (57, 30180), (60, 28671), (76, 22635), (90, 19114), (95, 18108), (114, 15090), (171, 10060), (180, 9557), (190, 9054), (228, 7545), (285, 6036), (342, 5030), (380, 4527), (503, 3420), (570, 3018), (684, 2515), (855, 2012), (1006, 1710), (1140, 1509)]