40398960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:335

約数の個数: 160

約数和(自身を含む): 144990720

約数和(自身を除く): 104591760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 139, 140, 168, 173, 210, 240, 278, 280, 336, 346, 417, 420, 519, 556, 560, 692, 695, 834, 840, 865, 973, 1038, 1112, 1211, 1384, 1390, 1668, 1680, 1730, 1946, 2076, 2085, 2224, 2422, 2595, 2768, 2780, 2919, 3336, 3460, 3633, 3892, 4152, 4170, 4844, 4865, 5190, 5560, 5838, 6055, 6672, 6920, 7266, 7784, 8304, 8340, 9688, 9730, 10380, 11120, 11676, 12110, 13840, 14532, 14595, 15568, 16680, 18165, 19376, 19460, 20760, 23352, 24047, 24220, 29064, 29190, 33360, 36330, 38920, 41520, 46704, 48094, 48440, 58128, 58380, 72141, 72660, 77840, 96188, 96880, 116760, 120235, 144282, 145320, 168329, 192376, 233520, 240470, 288564, 290640, 336658, 360705, 384752, 480940, 504987, 577128, 673316, 721410, 841645, 961880, 1009974, 1154256, 1346632, 1442820, 1683290, 1923760, 2019948, 2524935, 2693264, 2885640, 3366580, 4039896, 5049870, 5771280, 6733160, 8079792, 10099740, 13466320, 20199480, 40398960]

約数ペア:

[(1, 40398960), (2, 20199480), (3, 13466320), (4, 10099740), (5, 8079792), (6, 6733160), (7, 5771280), (8, 5049870), (10, 4039896), (12, 3366580), (14, 2885640), (15, 2693264), (16, 2524935), (20, 2019948), (21, 1923760), (24, 1683290), (28, 1442820), (30, 1346632), (35, 1154256), (40, 1009974), (42, 961880), (48, 841645), (56, 721410), (60, 673316), (70, 577128), (80, 504987), (84, 480940), (105, 384752), (112, 360705), (120, 336658), (139, 290640), (140, 288564), (168, 240470), (173, 233520), (210, 192376), (240, 168329), (278, 145320), (280, 144282), (336, 120235), (346, 116760), (417, 96880), (420, 96188), (519, 77840), (556, 72660), (560, 72141), (692, 58380), (695, 58128), (834, 48440), (840, 48094), (865, 46704), (973, 41520), (1038, 38920), (1112, 36330), (1211, 33360), (1384, 29190), (1390, 29064), (1668, 24220), (1680, 24047), (1730, 23352), (1946, 20760), (2076, 19460), (2085, 19376), (2224, 18165), (2422, 16680), (2595, 15568), (2768, 14595), (2780, 14532), (2919, 13840), (3336, 12110), (3460, 11676), (3633, 11120), (3892, 10380), (4152, 9730), (4170, 9688), (4844, 8340), (4865, 8304), (5190, 7784), (5560, 7266), (5838, 6920), (6055, 6672)]