172180980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 543763584

約数和(自身を除く): 371582604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 103, 111, 148, 180, 185, 206, 222, 251, 309, 333, 370, 412, 444, 502, 515, 555, 618, 666, 740, 753, 927, 1004, 1030, 1110, 1236, 1255, 1332, 1506, 1545, 1665, 1854, 2060, 2220, 2259, 2510, 3012, 3090, 3330, 3708, 3765, 3811, 4518, 4635, 5020, 6180, 6660, 7530, 7622, 9036, 9270, 9287, 11295, 11433, 15060, 15244, 18540, 18574, 19055, 22590, 22866, 25853, 27861, 34299, 37148, 38110, 45180, 45732, 46435, 51706, 55722, 57165, 68598, 76220, 77559, 83583, 92870, 103412, 111444, 114330, 129265, 137196, 139305, 155118, 167166, 171495, 185740, 228660, 232677, 258530, 278610, 310236, 334332, 342990, 387795, 417915, 465354, 517060, 557220, 685980, 775590, 835830, 930708, 956561, 1163385, 1551180, 1671660, 1913122, 2326770, 2869683, 3826244, 4653540, 4782805, 5739366, 8609049, 9565610, 11478732, 14348415, 17218098, 19131220, 28696830, 34436196, 43045245, 57393660, 86090490, 172180980]

約数ペア:

[(1, 172180980), (2, 86090490), (3, 57393660), (4, 43045245), (5, 34436196), (6, 28696830), (9, 19131220), (10, 17218098), (12, 14348415), (15, 11478732), (18, 9565610), (20, 8609049), (30, 5739366), (36, 4782805), (37, 4653540), (45, 3826244), (60, 2869683), (74, 2326770), (90, 1913122), (103, 1671660), (111, 1551180), (148, 1163385), (180, 956561), (185, 930708), (206, 835830), (222, 775590), (251, 685980), (309, 557220), (333, 517060), (370, 465354), (412, 417915), (444, 387795), (502, 342990), (515, 334332), (555, 310236), (618, 278610), (666, 258530), (740, 232677), (753, 228660), (927, 185740), (1004, 171495), (1030, 167166), (1110, 155118), (1236, 139305), (1255, 137196), (1332, 129265), (1506, 114330), (1545, 111444), (1665, 103412), (1854, 92870), (2060, 83583), (2220, 77559), (2259, 76220), (2510, 68598), (3012, 57165), (3090, 55722), (3330, 51706), (3708, 46435), (3765, 45732), (3811, 45180), (4518, 38110), (4635, 37148), (5020, 34299), (6180, 27861), (6660, 25853), (7530, 22866), (7622, 22590), (9036, 19055), (9270, 18574), (9287, 18540), (11295, 15244), (11433, 15060)]