18704520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 65862720

約数和(自身を除く): 47158200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 251, 270, 276, 324, 345, 360, 405, 414, 460, 502, 540, 552, 621, 648, 690, 753, 810, 828, 920, 1004, 1035, 1080, 1242, 1255, 1380, 1506, 1620, 1656, 1863, 2008, 2070, 2259, 2484, 2510, 2760, 3012, 3105, 3240, 3726, 3765, 4140, 4518, 4968, 5020, 5773, 6024, 6210, 6777, 7452, 7530, 8280, 9036, 9315, 10040, 11295, 11546, 12420, 13554, 14904, 15060, 17319, 18072, 18630, 20331, 22590, 23092, 24840, 27108, 28865, 30120, 33885, 34638, 37260, 40662, 45180, 46184, 51957, 54216, 57730, 67770, 69276, 74520, 81324, 86595, 90360, 101655, 103914, 115460, 135540, 138552, 155871, 162648, 173190, 203310, 207828, 230920, 259785, 271080, 311742, 346380, 406620, 415656, 467613, 519570, 623484, 692760, 779355, 813240, 935226, 1039140, 1246968, 1558710, 1870452, 2078280, 2338065, 3117420, 3740904, 4676130, 6234840, 9352260, 18704520]

約数ペア:

[(1, 18704520), (2, 9352260), (3, 6234840), (4, 4676130), (5, 3740904), (6, 3117420), (8, 2338065), (9, 2078280), (10, 1870452), (12, 1558710), (15, 1246968), (18, 1039140), (20, 935226), (23, 813240), (24, 779355), (27, 692760), (30, 623484), (36, 519570), (40, 467613), (45, 415656), (46, 406620), (54, 346380), (60, 311742), (69, 271080), (72, 259785), (81, 230920), (90, 207828), (92, 203310), (108, 173190), (115, 162648), (120, 155871), (135, 138552), (138, 135540), (162, 115460), (180, 103914), (184, 101655), (207, 90360), (216, 86595), (230, 81324), (251, 74520), (270, 69276), (276, 67770), (324, 57730), (345, 54216), (360, 51957), (405, 46184), (414, 45180), (460, 40662), (502, 37260), (540, 34638), (552, 33885), (621, 30120), (648, 28865), (690, 27108), (753, 24840), (810, 23092), (828, 22590), (920, 20331), (1004, 18630), (1035, 18072), (1080, 17319), (1242, 15060), (1255, 14904), (1380, 13554), (1506, 12420), (1620, 11546), (1656, 11295), (1863, 10040), (2008, 9315), (2070, 9036), (2259, 8280), (2484, 7530), (2510, 7452), (2760, 6777), (3012, 6210), (3105, 6024), (3240, 5773), (3726, 5020), (3765, 4968), (4140, 4518)]