9780180390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{25219}}^1$

素因数の和:25402

約数の個数: 96

約数和(自身を含む): 26438630400

約数和(自身を除く): 16658450010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 139, 155, 186, 278, 279, 310, 417, 465, 558, 695, 834, 930, 1251, 1390, 1395, 2085, 2502, 2790, 4170, 4309, 6255, 8618, 12510, 12927, 21545, 25219, 25854, 38781, 43090, 50438, 64635, 75657, 77562, 126095, 129270, 151314, 193905, 226971, 252190, 378285, 387810, 453942, 756570, 781789, 1134855, 1563578, 2269710, 2345367, 3505441, 3908945, 4690734, 7010882, 7036101, 7817890, 10516323, 11726835, 14072202, 17527205, 21032646, 23453670, 31548969, 35054410, 35180505, 52581615, 63097938, 70361010, 105163230, 108668671, 157744845, 217337342, 315489690, 326006013, 543343355, 652012026, 978018039, 1086686710, 1630030065, 1956036078, 3260060130, 4890090195, 9780180390]

約数ペア:

[(1, 9780180390), (2, 4890090195), (3, 3260060130), (5, 1956036078), (6, 1630030065), (9, 1086686710), (10, 978018039), (15, 652012026), (18, 543343355), (30, 326006013), (31, 315489690), (45, 217337342), (62, 157744845), (90, 108668671), (93, 105163230), (139, 70361010), (155, 63097938), (186, 52581615), (278, 35180505), (279, 35054410), (310, 31548969), (417, 23453670), (465, 21032646), (558, 17527205), (695, 14072202), (834, 11726835), (930, 10516323), (1251, 7817890), (1390, 7036101), (1395, 7010882), (2085, 4690734), (2502, 3908945), (2790, 3505441), (4170, 2345367), (4309, 2269710), (6255, 1563578), (8618, 1134855), (12510, 781789), (12927, 756570), (21545, 453942), (25219, 387810), (25854, 378285), (38781, 252190), (43090, 226971), (50438, 193905), (64635, 151314), (75657, 129270), (77562, 126095)]