80724540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 258249600

約数和(自身を除く): 177525060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 169, 190, 195, 228, 247, 260, 285, 338, 380, 390, 419, 494, 507, 570, 676, 741, 780, 838, 845, 988, 1014, 1140, 1235, 1257, 1482, 1676, 1690, 2028, 2095, 2470, 2514, 2535, 2964, 3211, 3380, 3705, 4190, 4940, 5028, 5070, 5447, 6285, 6422, 7410, 7961, 8380, 9633, 10140, 10894, 12570, 12844, 14820, 15922, 16055, 16341, 19266, 21788, 23883, 25140, 27235, 31844, 32110, 32682, 38532, 39805, 47766, 48165, 54470, 64220, 65364, 70811, 79610, 81705, 95532, 96330, 103493, 108940, 119415, 141622, 159220, 163410, 192660, 206986, 212433, 238830, 283244, 310479, 326820, 354055, 413972, 424866, 477660, 517465, 620958, 708110, 849732, 1034930, 1062165, 1241916, 1345409, 1416220, 1552395, 2069860, 2124330, 2690818, 3104790, 4036227, 4248660, 5381636, 6209580, 6727045, 8072454, 13454090, 16144908, 20181135, 26908180, 40362270, 80724540]

約数ペア:

[(1, 80724540), (2, 40362270), (3, 26908180), (4, 20181135), (5, 16144908), (6, 13454090), (10, 8072454), (12, 6727045), (13, 6209580), (15, 5381636), (19, 4248660), (20, 4036227), (26, 3104790), (30, 2690818), (38, 2124330), (39, 2069860), (52, 1552395), (57, 1416220), (60, 1345409), (65, 1241916), (76, 1062165), (78, 1034930), (95, 849732), (114, 708110), (130, 620958), (156, 517465), (169, 477660), (190, 424866), (195, 413972), (228, 354055), (247, 326820), (260, 310479), (285, 283244), (338, 238830), (380, 212433), (390, 206986), (419, 192660), (494, 163410), (507, 159220), (570, 141622), (676, 119415), (741, 108940), (780, 103493), (838, 96330), (845, 95532), (988, 81705), (1014, 79610), (1140, 70811), (1235, 65364), (1257, 64220), (1482, 54470), (1676, 48165), (1690, 47766), (2028, 39805), (2095, 38532), (2470, 32682), (2514, 32110), (2535, 31844), (2964, 27235), (3211, 25140), (3380, 23883), (3705, 21788), (4190, 19266), (4940, 16341), (5028, 16055), (5070, 15922), (5447, 14820), (6285, 12844), (6422, 12570), (7410, 10894), (7961, 10140), (8380, 9633)]