321506040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{439}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 1026432000

約数和(自身を除く): 704925960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 359, 408, 439, 510, 680, 718, 878, 1020, 1077, 1317, 1436, 1756, 1795, 2040, 2154, 2195, 2634, 2872, 3512, 3590, 4308, 4390, 5268, 5385, 6103, 6585, 7180, 7463, 8616, 8780, 10536, 10770, 12206, 13170, 14360, 14926, 17560, 18309, 21540, 22389, 24412, 26340, 29852, 30515, 36618, 37315, 43080, 44778, 48824, 52680, 59704, 61030, 73236, 74630, 89556, 91545, 111945, 122060, 146472, 149260, 157601, 179112, 183090, 223890, 244120, 298520, 315202, 366180, 447780, 472803, 630404, 732360, 788005, 895560, 945606, 1260808, 1576010, 1891212, 2364015, 2679217, 3152020, 3782424, 4728030, 5358434, 6304040, 8037651, 9456060, 10716868, 13396085, 16075302, 18912120, 21433736, 26792170, 32150604, 40188255, 53584340, 64301208, 80376510, 107168680, 160753020, 321506040]

約数ペア:

[(1, 321506040), (2, 160753020), (3, 107168680), (4, 80376510), (5, 64301208), (6, 53584340), (8, 40188255), (10, 32150604), (12, 26792170), (15, 21433736), (17, 18912120), (20, 16075302), (24, 13396085), (30, 10716868), (34, 9456060), (40, 8037651), (51, 6304040), (60, 5358434), (68, 4728030), (85, 3782424), (102, 3152020), (120, 2679217), (136, 2364015), (170, 1891212), (204, 1576010), (255, 1260808), (340, 945606), (359, 895560), (408, 788005), (439, 732360), (510, 630404), (680, 472803), (718, 447780), (878, 366180), (1020, 315202), (1077, 298520), (1317, 244120), (1436, 223890), (1756, 183090), (1795, 179112), (2040, 157601), (2154, 149260), (2195, 146472), (2634, 122060), (2872, 111945), (3512, 91545), (3590, 89556), (4308, 74630), (4390, 73236), (5268, 61030), (5385, 59704), (6103, 52680), (6585, 48824), (7180, 44778), (7463, 43080), (8616, 37315), (8780, 36618), (10536, 30515), (10770, 29852), (12206, 26340), (13170, 24412), (14360, 22389), (14926, 21540), (17560, 18309)]