204735420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2909}}^1$

素因数の和:2964

約数の個数: 144

約数和(自身を含む): 686387520

約数和(自身を除く): 481652100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 306, 340, 345, 391, 414, 460, 510, 612, 690, 765, 782, 828, 1020, 1035, 1173, 1380, 1530, 1564, 1955, 2070, 2346, 2909, 3060, 3519, 3910, 4140, 4692, 5818, 5865, 7038, 7820, 8727, 11636, 11730, 14076, 14545, 17454, 17595, 23460, 26181, 29090, 34908, 35190, 43635, 49453, 52362, 58180, 66907, 70380, 87270, 98906, 104724, 130905, 133814, 148359, 174540, 197812, 200721, 247265, 261810, 267628, 296718, 334535, 401442, 445077, 494530, 523620, 593436, 602163, 669070, 741795, 802884, 890154, 989060, 1003605, 1137419, 1204326, 1338140, 1483590, 1780308, 2007210, 2225385, 2274838, 2408652, 2967180, 3010815, 3412257, 4014420, 4450770, 4549676, 5687095, 6021630, 6824514, 8901540, 10236771, 11374190, 12043260, 13649028, 17061285, 20473542, 22748380, 34122570, 40947084, 51183855, 68245140, 102367710, 204735420]

約数ペア:

[(1, 204735420), (2, 102367710), (3, 68245140), (4, 51183855), (5, 40947084), (6, 34122570), (9, 22748380), (10, 20473542), (12, 17061285), (15, 13649028), (17, 12043260), (18, 11374190), (20, 10236771), (23, 8901540), (30, 6824514), (34, 6021630), (36, 5687095), (45, 4549676), (46, 4450770), (51, 4014420), (60, 3412257), (68, 3010815), (69, 2967180), (85, 2408652), (90, 2274838), (92, 2225385), (102, 2007210), (115, 1780308), (138, 1483590), (153, 1338140), (170, 1204326), (180, 1137419), (204, 1003605), (207, 989060), (230, 890154), (255, 802884), (276, 741795), (306, 669070), (340, 602163), (345, 593436), (391, 523620), (414, 494530), (460, 445077), (510, 401442), (612, 334535), (690, 296718), (765, 267628), (782, 261810), (828, 247265), (1020, 200721), (1035, 197812), (1173, 174540), (1380, 148359), (1530, 133814), (1564, 130905), (1955, 104724), (2070, 98906), (2346, 87270), (2909, 70380), (3060, 66907), (3519, 58180), (3910, 52362), (4140, 49453), (4692, 43635), (5818, 35190), (5865, 34908), (7038, 29090), (7820, 26181), (8727, 23460), (11636, 17595), (11730, 17454), (14076, 14545)]