1906380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 7076160

約数和(自身を除く): 5169780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 89, 90, 102, 105, 119, 126, 140, 153, 170, 178, 180, 204, 210, 238, 252, 255, 267, 306, 315, 340, 356, 357, 420, 445, 476, 510, 534, 595, 612, 623, 630, 714, 765, 801, 890, 1020, 1068, 1071, 1190, 1246, 1260, 1335, 1428, 1513, 1530, 1602, 1780, 1785, 1869, 2142, 2380, 2492, 2670, 3026, 3060, 3115, 3204, 3570, 3738, 4005, 4284, 4539, 5340, 5355, 5607, 6052, 6230, 7140, 7476, 7565, 8010, 9078, 9345, 10591, 10710, 11214, 12460, 13617, 15130, 16020, 18156, 18690, 21182, 21420, 22428, 22695, 27234, 28035, 30260, 31773, 37380, 42364, 45390, 52955, 54468, 56070, 63546, 68085, 90780, 95319, 105910, 112140, 127092, 136170, 158865, 190638, 211820, 272340, 317730, 381276, 476595, 635460, 953190, 1906380]

約数ペア:

[(1, 1906380), (2, 953190), (3, 635460), (4, 476595), (5, 381276), (6, 317730), (7, 272340), (9, 211820), (10, 190638), (12, 158865), (14, 136170), (15, 127092), (17, 112140), (18, 105910), (20, 95319), (21, 90780), (28, 68085), (30, 63546), (34, 56070), (35, 54468), (36, 52955), (42, 45390), (45, 42364), (51, 37380), (60, 31773), (63, 30260), (68, 28035), (70, 27234), (84, 22695), (85, 22428), (89, 21420), (90, 21182), (102, 18690), (105, 18156), (119, 16020), (126, 15130), (140, 13617), (153, 12460), (170, 11214), (178, 10710), (180, 10591), (204, 9345), (210, 9078), (238, 8010), (252, 7565), (255, 7476), (267, 7140), (306, 6230), (315, 6052), (340, 5607), (356, 5355), (357, 5340), (420, 4539), (445, 4284), (476, 4005), (510, 3738), (534, 3570), (595, 3204), (612, 3115), (623, 3060), (630, 3026), (714, 2670), (765, 2492), (801, 2380), (890, 2142), (1020, 1869), (1068, 1785), (1071, 1780), (1190, 1602), (1246, 1530), (1260, 1513), (1335, 1428)]