178706320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:321

約数の個数: 160

約数和(自身を含む): 483969024

約数和(自身を除く): 305262704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 40, 46, 52, 62, 65, 80, 92, 104, 115, 124, 130, 155, 184, 208, 230, 241, 248, 260, 299, 310, 368, 403, 460, 482, 496, 520, 598, 620, 713, 806, 920, 964, 1040, 1196, 1205, 1240, 1426, 1495, 1612, 1840, 1928, 2015, 2392, 2410, 2480, 2852, 2990, 3133, 3224, 3565, 3856, 4030, 4784, 4820, 5543, 5704, 5980, 6266, 6448, 7130, 7471, 8060, 9269, 9640, 11086, 11408, 11960, 12532, 14260, 14942, 15665, 16120, 18538, 19280, 22172, 23920, 25064, 27715, 28520, 29884, 31330, 32240, 37076, 37355, 44344, 46345, 50128, 55430, 57040, 59768, 62660, 72059, 74152, 74710, 88688, 92690, 97123, 110860, 119536, 125320, 144118, 148304, 149420, 171833, 185380, 194246, 221720, 250640, 288236, 298840, 343666, 360295, 370760, 388492, 443440, 485615, 576472, 597680, 687332, 720590, 741520, 776984, 859165, 971230, 1152944, 1374664, 1441180, 1553968, 1718330, 1942460, 2233829, 2749328, 2882360, 3436660, 3884920, 4467658, 5764720, 6873320, 7769840, 8935316, 11169145, 13746640, 17870632, 22338290, 35741264, 44676580, 89353160, 178706320]

約数ペア:

[(1, 178706320), (2, 89353160), (4, 44676580), (5, 35741264), (8, 22338290), (10, 17870632), (13, 13746640), (16, 11169145), (20, 8935316), (23, 7769840), (26, 6873320), (31, 5764720), (40, 4467658), (46, 3884920), (52, 3436660), (62, 2882360), (65, 2749328), (80, 2233829), (92, 1942460), (104, 1718330), (115, 1553968), (124, 1441180), (130, 1374664), (155, 1152944), (184, 971230), (208, 859165), (230, 776984), (241, 741520), (248, 720590), (260, 687332), (299, 597680), (310, 576472), (368, 485615), (403, 443440), (460, 388492), (482, 370760), (496, 360295), (520, 343666), (598, 298840), (620, 288236), (713, 250640), (806, 221720), (920, 194246), (964, 185380), (1040, 171833), (1196, 149420), (1205, 148304), (1240, 144118), (1426, 125320), (1495, 119536), (1612, 110860), (1840, 97123), (1928, 92690), (2015, 88688), (2392, 74710), (2410, 74152), (2480, 72059), (2852, 62660), (2990, 59768), (3133, 57040), (3224, 55430), (3565, 50128), (3856, 46345), (4030, 44344), (4784, 37355), (4820, 37076), (5543, 32240), (5704, 31330), (5980, 29884), (6266, 28520), (6448, 27715), (7130, 25064), (7471, 23920), (8060, 22172), (9269, 19280), (9640, 18538), (11086, 16120), (11408, 15665), (11960, 14942), (12532, 14260)]