78573040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 230985216

約数和(自身を除く): 152412176

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 80, 86, 91, 104, 112, 130, 140, 172, 182, 208, 215, 251, 260, 280, 301, 344, 364, 430, 455, 502, 520, 559, 560, 602, 688, 728, 860, 910, 1004, 1040, 1118, 1204, 1255, 1456, 1505, 1720, 1757, 1820, 2008, 2236, 2408, 2510, 2795, 3010, 3263, 3440, 3514, 3640, 3913, 4016, 4472, 4816, 5020, 5590, 6020, 6526, 7028, 7280, 7826, 8785, 8944, 10040, 10793, 11180, 12040, 13052, 14056, 15652, 16315, 17570, 19565, 20080, 21586, 22360, 22841, 24080, 26104, 28112, 31304, 32630, 35140, 39130, 43172, 44720, 45682, 52208, 53965, 62608, 65260, 70280, 75551, 78260, 86344, 91364, 107930, 114205, 130520, 140309, 140560, 151102, 156520, 172688, 182728, 215860, 228410, 261040, 280618, 302204, 313040, 365456, 377755, 431720, 456820, 561236, 604408, 701545, 755510, 863440, 913640, 982163, 1122472, 1208816, 1403090, 1511020, 1827280, 1964326, 2244944, 2806180, 3022040, 3928652, 4910815, 5612360, 6044080, 7857304, 9821630, 11224720, 15714608, 19643260, 39286520, 78573040]

約数ペア:

[(1, 78573040), (2, 39286520), (4, 19643260), (5, 15714608), (7, 11224720), (8, 9821630), (10, 7857304), (13, 6044080), (14, 5612360), (16, 4910815), (20, 3928652), (26, 3022040), (28, 2806180), (35, 2244944), (40, 1964326), (43, 1827280), (52, 1511020), (56, 1403090), (65, 1208816), (70, 1122472), (80, 982163), (86, 913640), (91, 863440), (104, 755510), (112, 701545), (130, 604408), (140, 561236), (172, 456820), (182, 431720), (208, 377755), (215, 365456), (251, 313040), (260, 302204), (280, 280618), (301, 261040), (344, 228410), (364, 215860), (430, 182728), (455, 172688), (502, 156520), (520, 151102), (559, 140560), (560, 140309), (602, 130520), (688, 114205), (728, 107930), (860, 91364), (910, 86344), (1004, 78260), (1040, 75551), (1118, 70280), (1204, 65260), (1255, 62608), (1456, 53965), (1505, 52208), (1720, 45682), (1757, 44720), (1820, 43172), (2008, 39130), (2236, 35140), (2408, 32630), (2510, 31304), (2795, 28112), (3010, 26104), (3263, 24080), (3440, 22841), (3514, 22360), (3640, 21586), (3913, 20080), (4016, 19565), (4472, 17570), (4816, 16315), (5020, 15652), (5590, 14056), (6020, 13052), (6526, 12040), (7028, 11180), (7280, 10793), (7826, 10040), (8785, 8944)]