128520450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3209}}^1$

素因数の和:3316

約数の個数: 72

約数和(自身を含む): 349280100

約数和(自身を除く): 220759650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 89, 90, 150, 178, 225, 267, 445, 450, 534, 801, 890, 1335, 1602, 2225, 2670, 3209, 4005, 4450, 6418, 6675, 8010, 9627, 13350, 16045, 19254, 20025, 28881, 32090, 40050, 48135, 57762, 80225, 96270, 144405, 160450, 240675, 285601, 288810, 481350, 571202, 722025, 856803, 1428005, 1444050, 1713606, 2570409, 2856010, 4284015, 5140818, 7140025, 8568030, 12852045, 14280050, 21420075, 25704090, 42840150, 64260225, 128520450]

約数ペア:

[(1, 128520450), (2, 64260225), (3, 42840150), (5, 25704090), (6, 21420075), (9, 14280050), (10, 12852045), (15, 8568030), (18, 7140025), (25, 5140818), (30, 4284015), (45, 2856010), (50, 2570409), (75, 1713606), (89, 1444050), (90, 1428005), (150, 856803), (178, 722025), (225, 571202), (267, 481350), (445, 288810), (450, 285601), (534, 240675), (801, 160450), (890, 144405), (1335, 96270), (1602, 80225), (2225, 57762), (2670, 48135), (3209, 40050), (4005, 32090), (4450, 28881), (6418, 20025), (6675, 19254), (8010, 16045), (9627, 13350)]