1808508780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{772867}}^1$

素因数の和:772895

約数の個数: 72

約数和(自身を含む): 5907802992

約数和(自身を除く): 4099294212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 772867, 1545734, 2318601, 3091468, 3864335, 4637202, 6955803, 7728670, 9274404, 10047271, 11593005, 13911606, 15457340, 20094542, 23186010, 27823212, 30141813, 34779015, 40189084, 46372020, 50236355, 60283626, 69558030, 90425439, 100472710, 120567252, 139116060, 150709065, 180850878, 200945420, 301418130, 361701756, 452127195, 602836260, 904254390, 1808508780]

約数ペア:

[(1, 1808508780), (2, 904254390), (3, 602836260), (4, 452127195), (5, 361701756), (6, 301418130), (9, 200945420), (10, 180850878), (12, 150709065), (13, 139116060), (15, 120567252), (18, 100472710), (20, 90425439), (26, 69558030), (30, 60283626), (36, 50236355), (39, 46372020), (45, 40189084), (52, 34779015), (60, 30141813), (65, 27823212), (78, 23186010), (90, 20094542), (117, 15457340), (130, 13911606), (156, 11593005), (180, 10047271), (195, 9274404), (234, 7728670), (260, 6955803), (390, 4637202), (468, 3864335), (585, 3091468), (780, 2318601), (1170, 1545734), (2340, 772867)]