312133040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 742452480

約数和(自身を除く): 430319440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 179, 284, 307, 355, 358, 568, 614, 710, 716, 895, 1136, 1228, 1420, 1432, 1535, 1790, 2456, 2840, 2864, 3070, 3580, 4912, 5680, 6140, 7160, 12280, 12709, 14320, 21797, 24560, 25418, 43594, 50836, 54953, 63545, 87188, 101672, 108985, 109906, 127090, 174376, 203344, 217970, 219812, 254180, 274765, 348752, 435940, 439624, 508360, 549530, 871880, 879248, 1016720, 1099060, 1743760, 2198120, 3901663, 4396240, 7803326, 15606652, 19508315, 31213304, 39016630, 62426608, 78033260, 156066520, 312133040]

約数ペア:

[(1, 312133040), (2, 156066520), (4, 78033260), (5, 62426608), (8, 39016630), (10, 31213304), (16, 19508315), (20, 15606652), (40, 7803326), (71, 4396240), (80, 3901663), (142, 2198120), (179, 1743760), (284, 1099060), (307, 1016720), (355, 879248), (358, 871880), (568, 549530), (614, 508360), (710, 439624), (716, 435940), (895, 348752), (1136, 274765), (1228, 254180), (1420, 219812), (1432, 217970), (1535, 203344), (1790, 174376), (2456, 127090), (2840, 109906), (2864, 108985), (3070, 101672), (3580, 87188), (4912, 63545), (5680, 54953), (6140, 50836), (7160, 43594), (12280, 25418), (12709, 24560), (14320, 21797)]