28425960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{281}}^2$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 92714310

約数和(自身を除く): 64288350

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 281, 360, 562, 843, 1124, 1405, 1686, 2248, 2529, 2810, 3372, 4215, 5058, 5620, 6744, 8430, 10116, 11240, 12645, 16860, 20232, 25290, 33720, 50580, 78961, 101160, 157922, 236883, 315844, 394805, 473766, 631688, 710649, 789610, 947532, 1184415, 1421298, 1579220, 1895064, 2368830, 2842596, 3158440, 3553245, 4737660, 5685192, 7106490, 9475320, 14212980, 28425960]

約数ペア:

[(1, 28425960), (2, 14212980), (3, 9475320), (4, 7106490), (5, 5685192), (6, 4737660), (8, 3553245), (9, 3158440), (10, 2842596), (12, 2368830), (15, 1895064), (18, 1579220), (20, 1421298), (24, 1184415), (30, 947532), (36, 789610), (40, 710649), (45, 631688), (60, 473766), (72, 394805), (90, 315844), (120, 236883), (180, 157922), (281, 101160), (360, 78961), (562, 50580), (843, 33720), (1124, 25290), (1405, 20232), (1686, 16860), (2248, 12645), (2529, 11240), (2810, 10116), (3372, 8430), (4215, 6744), (5058, 5620)]