27780720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:663

約数の個数: 160

約数和(自身を含む): 99636480

約数和(自身を除く): 71855760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 132, 136, 165, 170, 176, 187, 204, 220, 240, 255, 264, 272, 330, 340, 374, 408, 440, 510, 528, 561, 619, 660, 680, 748, 816, 880, 935, 1020, 1122, 1238, 1320, 1360, 1496, 1857, 1870, 2040, 2244, 2476, 2640, 2805, 2992, 3095, 3714, 3740, 4080, 4488, 4952, 5610, 6190, 6809, 7428, 7480, 8976, 9285, 9904, 10523, 11220, 12380, 13618, 14856, 14960, 18570, 20427, 21046, 22440, 24760, 27236, 29712, 31569, 34045, 37140, 40854, 42092, 44880, 49520, 52615, 54472, 63138, 68090, 74280, 81708, 84184, 102135, 105230, 108944, 115753, 126276, 136180, 148560, 157845, 163416, 168368, 204270, 210460, 231506, 252552, 272360, 315690, 326832, 347259, 408540, 420920, 463012, 505104, 544720, 578765, 631380, 694518, 817080, 841840, 926024, 1157530, 1262760, 1389036, 1634160, 1736295, 1852048, 2315060, 2525520, 2778072, 3472590, 4630120, 5556144, 6945180, 9260240, 13890360, 27780720]

約数ペア:

[(1, 27780720), (2, 13890360), (3, 9260240), (4, 6945180), (5, 5556144), (6, 4630120), (8, 3472590), (10, 2778072), (11, 2525520), (12, 2315060), (15, 1852048), (16, 1736295), (17, 1634160), (20, 1389036), (22, 1262760), (24, 1157530), (30, 926024), (33, 841840), (34, 817080), (40, 694518), (44, 631380), (48, 578765), (51, 544720), (55, 505104), (60, 463012), (66, 420920), (68, 408540), (80, 347259), (85, 326832), (88, 315690), (102, 272360), (110, 252552), (120, 231506), (132, 210460), (136, 204270), (165, 168368), (170, 163416), (176, 157845), (187, 148560), (204, 136180), (220, 126276), (240, 115753), (255, 108944), (264, 105230), (272, 102135), (330, 84184), (340, 81708), (374, 74280), (408, 68090), (440, 63138), (510, 54472), (528, 52615), (561, 49520), (619, 44880), (660, 42092), (680, 40854), (748, 37140), (816, 34045), (880, 31569), (935, 29712), (1020, 27236), (1122, 24760), (1238, 22440), (1320, 21046), (1360, 20427), (1496, 18570), (1857, 14960), (1870, 14856), (2040, 13618), (2244, 12380), (2476, 11220), (2640, 10523), (2805, 9904), (2992, 9285), (3095, 8976), (3714, 7480), (3740, 7428), (4080, 6809), (4488, 6190), (4952, 5610)]