649579860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{212281}}^1$

素因数の和:212313

約数の個数: 72

約数和(自身を含む): 2086307496

約数和(自身を除く): 1436727636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 212281, 424562, 636843, 849124, 1061405, 1273686, 1910529, 2122810, 2547372, 3184215, 3608777, 3821058, 4245620, 6368430, 7217554, 7642116, 9552645, 10826331, 12736860, 14435108, 18043885, 19105290, 21652662, 32478993, 36087770, 38210580, 43305324, 54131655, 64957986, 72175540, 108263310, 129915972, 162394965, 216526620, 324789930, 649579860]

約数ペア:

[(1, 649579860), (2, 324789930), (3, 216526620), (4, 162394965), (5, 129915972), (6, 108263310), (9, 72175540), (10, 64957986), (12, 54131655), (15, 43305324), (17, 38210580), (18, 36087770), (20, 32478993), (30, 21652662), (34, 19105290), (36, 18043885), (45, 14435108), (51, 12736860), (60, 10826331), (68, 9552645), (85, 7642116), (90, 7217554), (102, 6368430), (153, 4245620), (170, 3821058), (180, 3608777), (204, 3184215), (255, 2547372), (306, 2122810), (340, 1910529), (510, 1273686), (612, 1061405), (765, 849124), (1020, 636843), (1530, 424562), (3060, 212281)]