16520940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5399}}^1$

素因数の和:5431

約数の個数: 72

約数和(自身を含む): 53071200

約数和(自身を除く): 36550260

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, 5399, 10798, 16197, 21596, 26995, 32394, 48591, 53990, 64788, 80985, 91783, 97182, 107980, 161970, 183566, 194364, 242955, 275349, 323940, 367132, 458915, 485910, 550698, 826047, 917830, 971820, 1101396, 1376745, 1652094, 1835660, 2753490, 3304188, 4130235, 5506980, 8260470, 16520940]

約数ペア:

[(1, 16520940), (2, 8260470), (3, 5506980), (4, 4130235), (5, 3304188), (6, 2753490), (9, 1835660), (10, 1652094), (12, 1376745), (15, 1101396), (17, 971820), (18, 917830), (20, 826047), (30, 550698), (34, 485910), (36, 458915), (45, 367132), (51, 323940), (60, 275349), (68, 242955), (85, 194364), (90, 183566), (102, 161970), (153, 107980), (170, 97182), (180, 91783), (204, 80985), (255, 64788), (306, 53990), (340, 48591), (510, 32394), (612, 26995), (765, 21596), (1020, 16197), (1530, 10798), (3060, 5399)]