981626240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12889}}^1$

素因数の和:12932

約数の個数: 128

約数和(自身を含む): 2839924800

約数和(自身を除く): 1858298560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 3808, 4480, 4760, 5440, 7616, 9520, 10880, 12889, 15232, 19040, 25778, 38080, 51556, 64445, 76160, 90223, 103112, 128890, 180446, 206224, 219113, 257780, 360892, 412448, 438226, 451115, 515560, 721784, 824896, 876452, 902230, 1031120, 1095565, 1443568, 1533791, 1649792, 1752904, 1804460, 2062240, 2191130, 2887136, 3067582, 3505808, 3608920, 4124480, 4382260, 5774272, 6135164, 7011616, 7217840, 7668955, 8248960, 8764520, 11548544, 12270328, 14023232, 14435680, 15337910, 17529040, 24540656, 28046464, 28871360, 30675820, 35058080, 49081312, 57742720, 61351640, 70116160, 98162624, 122703280, 140232320, 196325248, 245406560, 490813120, 981626240]

約数ペア:

[(1, 981626240), (2, 490813120), (4, 245406560), (5, 196325248), (7, 140232320), (8, 122703280), (10, 98162624), (14, 70116160), (16, 61351640), (17, 57742720), (20, 49081312), (28, 35058080), (32, 30675820), (34, 28871360), (35, 28046464), (40, 24540656), (56, 17529040), (64, 15337910), (68, 14435680), (70, 14023232), (80, 12270328), (85, 11548544), (112, 8764520), (119, 8248960), (128, 7668955), (136, 7217840), (140, 7011616), (160, 6135164), (170, 5774272), (224, 4382260), (238, 4124480), (272, 3608920), (280, 3505808), (320, 3067582), (340, 2887136), (448, 2191130), (476, 2062240), (544, 1804460), (560, 1752904), (595, 1649792), (640, 1533791), (680, 1443568), (896, 1095565), (952, 1031120), (1088, 902230), (1120, 876452), (1190, 824896), (1360, 721784), (1904, 515560), (2176, 451115), (2240, 438226), (2380, 412448), (2720, 360892), (3808, 257780), (4480, 219113), (4760, 206224), (5440, 180446), (7616, 128890), (9520, 103112), (10880, 90223), (12889, 76160), (15232, 64445), (19040, 51556), (25778, 38080)]