210882780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:684

約数の個数: 144

約数和(自身を含む): 672235200

約数和(自身を除く): 461352420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 71, 87, 90, 116, 142, 145, 174, 180, 213, 261, 284, 290, 348, 355, 426, 435, 522, 569, 580, 639, 710, 852, 870, 1044, 1065, 1138, 1278, 1305, 1420, 1707, 1740, 2059, 2130, 2276, 2556, 2610, 2845, 3195, 3414, 4118, 4260, 5121, 5220, 5690, 6177, 6390, 6828, 8236, 8535, 10242, 10295, 11380, 12354, 12780, 16501, 17070, 18531, 20484, 20590, 24708, 25605, 30885, 33002, 34140, 37062, 40399, 41180, 49503, 51210, 61770, 66004, 74124, 80798, 82505, 92655, 99006, 102420, 121197, 123540, 148509, 161596, 165010, 185310, 198012, 201995, 242394, 247515, 297018, 330020, 363591, 370620, 403990, 484788, 495030, 594036, 605985, 727182, 742545, 807980, 990060, 1171571, 1211970, 1454364, 1485090, 1817955, 2343142, 2423940, 2970180, 3514713, 3635910, 4686284, 5857855, 7029426, 7271820, 10544139, 11715710, 14058852, 17573565, 21088278, 23431420, 35147130, 42176556, 52720695, 70294260, 105441390, 210882780]

約数ペア:

[(1, 210882780), (2, 105441390), (3, 70294260), (4, 52720695), (5, 42176556), (6, 35147130), (9, 23431420), (10, 21088278), (12, 17573565), (15, 14058852), (18, 11715710), (20, 10544139), (29, 7271820), (30, 7029426), (36, 5857855), (45, 4686284), (58, 3635910), (60, 3514713), (71, 2970180), (87, 2423940), (90, 2343142), (116, 1817955), (142, 1485090), (145, 1454364), (174, 1211970), (180, 1171571), (213, 990060), (261, 807980), (284, 742545), (290, 727182), (348, 605985), (355, 594036), (426, 495030), (435, 484788), (522, 403990), (569, 370620), (580, 363591), (639, 330020), (710, 297018), (852, 247515), (870, 242394), (1044, 201995), (1065, 198012), (1138, 185310), (1278, 165010), (1305, 161596), (1420, 148509), (1707, 123540), (1740, 121197), (2059, 102420), (2130, 99006), (2276, 92655), (2556, 82505), (2610, 80798), (2845, 74124), (3195, 66004), (3414, 61770), (4118, 51210), (4260, 49503), (5121, 41180), (5220, 40399), (5690, 37062), (6177, 34140), (6390, 33002), (6828, 30885), (8236, 25605), (8535, 24708), (10242, 20590), (10295, 20484), (11380, 18531), (12354, 17070), (12780, 16501)]