121648640

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 160

約数和(自身を含む): 319667040

約数和(自身を除く): 198018400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 61, 64, 76, 80, 82, 95, 122, 128, 152, 160, 164, 190, 205, 244, 256, 304, 305, 320, 328, 380, 410, 488, 512, 608, 610, 640, 656, 760, 779, 820, 976, 1159, 1216, 1220, 1280, 1312, 1520, 1558, 1640, 1952, 2318, 2432, 2440, 2501, 2560, 2624, 3040, 3116, 3280, 3895, 3904, 4636, 4864, 4880, 5002, 5248, 5795, 6080, 6232, 6560, 7790, 7808, 9272, 9728, 9760, 10004, 10496, 11590, 12160, 12464, 12505, 13120, 15580, 15616, 18544, 19520, 20008, 20992, 23180, 24320, 24928, 25010, 26240, 31160, 31232, 37088, 39040, 40016, 46360, 47519, 48640, 49856, 50020, 52480, 62320, 74176, 78080, 80032, 92720, 95038, 99712, 100040, 104960, 124640, 148352, 156160, 160064, 185440, 190076, 199424, 200080, 237595, 249280, 296704, 320128, 370880, 380152, 398848, 400160, 475190, 498560, 593408, 640256, 741760, 760304, 800320, 950380, 997120, 1280512, 1483520, 1520608, 1600640, 1900760, 1994240, 2967040, 3041216, 3201280, 3801520, 6082432, 6402560, 7603040, 12164864, 15206080, 24329728, 30412160, 60824320, 121648640]

約数ペア:

[(1, 121648640), (2, 60824320), (4, 30412160), (5, 24329728), (8, 15206080), (10, 12164864), (16, 7603040), (19, 6402560), (20, 6082432), (32, 3801520), (38, 3201280), (40, 3041216), (41, 2967040), (61, 1994240), (64, 1900760), (76, 1600640), (80, 1520608), (82, 1483520), (95, 1280512), (122, 997120), (128, 950380), (152, 800320), (160, 760304), (164, 741760), (190, 640256), (205, 593408), (244, 498560), (256, 475190), (304, 400160), (305, 398848), (320, 380152), (328, 370880), (380, 320128), (410, 296704), (488, 249280), (512, 237595), (608, 200080), (610, 199424), (640, 190076), (656, 185440), (760, 160064), (779, 156160), (820, 148352), (976, 124640), (1159, 104960), (1216, 100040), (1220, 99712), (1280, 95038), (1312, 92720), (1520, 80032), (1558, 78080), (1640, 74176), (1952, 62320), (2318, 52480), (2432, 50020), (2440, 49856), (2501, 48640), (2560, 47519), (2624, 46360), (3040, 40016), (3116, 39040), (3280, 37088), (3895, 31232), (3904, 31160), (4636, 26240), (4864, 25010), (4880, 24928), (5002, 24320), (5248, 23180), (5795, 20992), (6080, 20008), (6232, 19520), (6560, 18544), (7790, 15616), (7808, 15580), (9272, 13120), (9728, 12505), (9760, 12464), (10004, 12160), (10496, 11590)]