1958702940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{640099}}^1$

素因数の和:640131

約数の個数: 72

約数和(自身を含む): 6290902800

約数和(自身を除く): 4332199860

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, 640099, 1280198, 1920297, 2560396, 3200495, 3840594, 5760891, 6400990, 7681188, 9601485, 10881683, 11521782, 12801980, 19202970, 21763366, 23043564, 28804455, 32645049, 38405940, 43526732, 54408415, 57608910, 65290098, 97935147, 108816830, 115217820, 130580196, 163225245, 195870294, 217633660, 326450490, 391740588, 489675735, 652900980, 979351470, 1958702940]

約数ペア:

[(1, 1958702940), (2, 979351470), (3, 652900980), (4, 489675735), (5, 391740588), (6, 326450490), (9, 217633660), (10, 195870294), (12, 163225245), (15, 130580196), (17, 115217820), (18, 108816830), (20, 97935147), (30, 65290098), (34, 57608910), (36, 54408415), (45, 43526732), (51, 38405940), (60, 32645049), (68, 28804455), (85, 23043564), (90, 21763366), (102, 19202970), (153, 12801980), (170, 11521782), (180, 10881683), (204, 9601485), (255, 7681188), (306, 6400990), (340, 5760891), (510, 3840594), (612, 3200495), (765, 2560396), (1020, 1920297), (1530, 1280198), (3060, 640099)]