1521900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 108

約数和(自身を含む): 5077800

約数和(自身を除く): 3555900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 89, 90, 95, 100, 114, 150, 171, 178, 180, 190, 225, 228, 267, 285, 300, 342, 356, 380, 445, 450, 475, 534, 570, 684, 801, 855, 890, 900, 950, 1068, 1140, 1335, 1425, 1602, 1691, 1710, 1780, 1900, 2225, 2670, 2850, 3204, 3382, 3420, 4005, 4275, 4450, 5073, 5340, 5700, 6675, 6764, 8010, 8455, 8550, 8900, 10146, 13350, 15219, 16020, 16910, 17100, 20025, 20292, 25365, 26700, 30438, 33820, 40050, 42275, 50730, 60876, 76095, 80100, 84550, 101460, 126825, 152190, 169100, 253650, 304380, 380475, 507300, 760950, 1521900]

約数ペア:

[(1, 1521900), (2, 760950), (3, 507300), (4, 380475), (5, 304380), (6, 253650), (9, 169100), (10, 152190), (12, 126825), (15, 101460), (18, 84550), (19, 80100), (20, 76095), (25, 60876), (30, 50730), (36, 42275), (38, 40050), (45, 33820), (50, 30438), (57, 26700), (60, 25365), (75, 20292), (76, 20025), (89, 17100), (90, 16910), (95, 16020), (100, 15219), (114, 13350), (150, 10146), (171, 8900), (178, 8550), (180, 8455), (190, 8010), (225, 6764), (228, 6675), (267, 5700), (285, 5340), (300, 5073), (342, 4450), (356, 4275), (380, 4005), (445, 3420), (450, 3382), (475, 3204), (534, 2850), (570, 2670), (684, 2225), (801, 1900), (855, 1780), (890, 1710), (900, 1691), (950, 1602), (1068, 1425), (1140, 1335)]