18649680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:693

約数の個数: 160

約数和(自身を含む): 70066944

約数和(自身を除く): 51417264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 653, 680, 714, 816, 840, 952, 1020, 1190, 1306, 1360, 1428, 1680, 1785, 1904, 1959, 2040, 2380, 2612, 2856, 3265, 3570, 3918, 4080, 4571, 4760, 5224, 5712, 6530, 7140, 7836, 9142, 9520, 9795, 10448, 11101, 13060, 13713, 14280, 15672, 18284, 19590, 22202, 22855, 26120, 27426, 28560, 31344, 33303, 36568, 39180, 44404, 45710, 52240, 54852, 55505, 66606, 68565, 73136, 77707, 78360, 88808, 91420, 109704, 111010, 133212, 137130, 155414, 156720, 166515, 177616, 182840, 219408, 222020, 233121, 266424, 274260, 310828, 333030, 365680, 388535, 444040, 466242, 532848, 548520, 621656, 666060, 777070, 888080, 932484, 1097040, 1165605, 1243312, 1332120, 1554140, 1864968, 2331210, 2664240, 3108280, 3729936, 4662420, 6216560, 9324840, 18649680]

約数ペア:

[(1, 18649680), (2, 9324840), (3, 6216560), (4, 4662420), (5, 3729936), (6, 3108280), (7, 2664240), (8, 2331210), (10, 1864968), (12, 1554140), (14, 1332120), (15, 1243312), (16, 1165605), (17, 1097040), (20, 932484), (21, 888080), (24, 777070), (28, 666060), (30, 621656), (34, 548520), (35, 532848), (40, 466242), (42, 444040), (48, 388535), (51, 365680), (56, 333030), (60, 310828), (68, 274260), (70, 266424), (80, 233121), (84, 222020), (85, 219408), (102, 182840), (105, 177616), (112, 166515), (119, 156720), (120, 155414), (136, 137130), (140, 133212), (168, 111010), (170, 109704), (204, 91420), (210, 88808), (238, 78360), (240, 77707), (255, 73136), (272, 68565), (280, 66606), (336, 55505), (340, 54852), (357, 52240), (408, 45710), (420, 44404), (476, 39180), (510, 36568), (560, 33303), (595, 31344), (653, 28560), (680, 27426), (714, 26120), (816, 22855), (840, 22202), (952, 19590), (1020, 18284), (1190, 15672), (1306, 14280), (1360, 13713), (1428, 13060), (1680, 11101), (1785, 10448), (1904, 9795), (1959, 9520), (2040, 9142), (2380, 7836), (2612, 7140), (2856, 6530), (3265, 5712), (3570, 5224), (3918, 4760), (4080, 4571)]