179771220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 574584192

約数和(自身を除く): 394812972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 173, 180, 207, 230, 251, 276, 345, 346, 414, 460, 502, 519, 690, 692, 753, 828, 865, 1004, 1035, 1038, 1255, 1380, 1506, 1557, 1730, 2070, 2076, 2259, 2510, 2595, 3012, 3114, 3460, 3765, 3979, 4140, 4518, 5020, 5190, 5773, 6228, 7530, 7785, 7958, 9036, 10380, 11295, 11546, 11937, 15060, 15570, 15916, 17319, 19895, 22590, 23092, 23874, 28865, 31140, 34638, 35811, 39790, 43423, 45180, 47748, 51957, 57730, 59685, 69276, 71622, 79580, 86595, 86846, 103914, 115460, 119370, 130269, 143244, 173190, 173692, 179055, 207828, 217115, 238740, 259785, 260538, 346380, 358110, 390807, 434230, 519570, 521076, 651345, 716220, 781614, 868460, 998729, 1039140, 1302690, 1563228, 1954035, 1997458, 2605380, 2996187, 3908070, 3994916, 4993645, 5992374, 7816140, 8988561, 9987290, 11984748, 14980935, 17977122, 19974580, 29961870, 35954244, 44942805, 59923740, 89885610, 179771220]

約数ペア:

[(1, 179771220), (2, 89885610), (3, 59923740), (4, 44942805), (5, 35954244), (6, 29961870), (9, 19974580), (10, 17977122), (12, 14980935), (15, 11984748), (18, 9987290), (20, 8988561), (23, 7816140), (30, 5992374), (36, 4993645), (45, 3994916), (46, 3908070), (60, 2996187), (69, 2605380), (90, 1997458), (92, 1954035), (115, 1563228), (138, 1302690), (173, 1039140), (180, 998729), (207, 868460), (230, 781614), (251, 716220), (276, 651345), (345, 521076), (346, 519570), (414, 434230), (460, 390807), (502, 358110), (519, 346380), (690, 260538), (692, 259785), (753, 238740), (828, 217115), (865, 207828), (1004, 179055), (1035, 173692), (1038, 173190), (1255, 143244), (1380, 130269), (1506, 119370), (1557, 115460), (1730, 103914), (2070, 86846), (2076, 86595), (2259, 79580), (2510, 71622), (2595, 69276), (3012, 59685), (3114, 57730), (3460, 51957), (3765, 47748), (3979, 45180), (4140, 43423), (4518, 39790), (5020, 35811), (5190, 34638), (5773, 31140), (6228, 28865), (7530, 23874), (7785, 23092), (7958, 22590), (9036, 19895), (10380, 17319), (11295, 15916), (11546, 15570), (11937, 15060)]