115720020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2954

約数の個数: 144

約数和(自身を含む): 400392720

約数和(自身を除く): 284672700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 2909, 3060, 3315, 3978, 4420, 5818, 6630, 7956, 8727, 9945, 11636, 13260, 14545, 17454, 19890, 26181, 29090, 34908, 37817, 39780, 43635, 49453, 52362, 58180, 75634, 87270, 98906, 104724, 113451, 130905, 148359, 151268, 174540, 189085, 197812, 226902, 247265, 261810, 296718, 340353, 378170, 445077, 453804, 494530, 523620, 567255, 593436, 642889, 680706, 741795, 756340, 890154, 989060, 1134510, 1285778, 1361412, 1483590, 1701765, 1780308, 1928667, 2225385, 2269020, 2571556, 2967180, 3214445, 3403530, 3857334, 4450770, 5786001, 6428890, 6807060, 7714668, 8901540, 9643335, 11572002, 12857780, 19286670, 23144004, 28930005, 38573340, 57860010, 115720020]

約数ペア:

[(1, 115720020), (2, 57860010), (3, 38573340), (4, 28930005), (5, 23144004), (6, 19286670), (9, 12857780), (10, 11572002), (12, 9643335), (13, 8901540), (15, 7714668), (17, 6807060), (18, 6428890), (20, 5786001), (26, 4450770), (30, 3857334), (34, 3403530), (36, 3214445), (39, 2967180), (45, 2571556), (51, 2269020), (52, 2225385), (60, 1928667), (65, 1780308), (68, 1701765), (78, 1483590), (85, 1361412), (90, 1285778), (102, 1134510), (117, 989060), (130, 890154), (153, 756340), (156, 741795), (170, 680706), (180, 642889), (195, 593436), (204, 567255), (221, 523620), (234, 494530), (255, 453804), (260, 445077), (306, 378170), (340, 340353), (390, 296718), (442, 261810), (468, 247265), (510, 226902), (585, 197812), (612, 189085), (663, 174540), (765, 151268), (780, 148359), (884, 130905), (1020, 113451), (1105, 104724), (1170, 98906), (1326, 87270), (1530, 75634), (1989, 58180), (2210, 52362), (2340, 49453), (2652, 43635), (2909, 39780), (3060, 37817), (3315, 34908), (3978, 29090), (4420, 26181), (5818, 19890), (6630, 17454), (7956, 14545), (8727, 13260), (9945, 11636)]