18361440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 144

約数和(自身を含む): 64393056

約数和(自身を除く): 46031616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 205, 240, 246, 288, 311, 328, 360, 369, 410, 480, 492, 615, 622, 656, 720, 738, 820, 933, 984, 1230, 1244, 1312, 1440, 1476, 1555, 1640, 1845, 1866, 1968, 2460, 2488, 2799, 2952, 3110, 3280, 3690, 3732, 3936, 4665, 4920, 4976, 5598, 5904, 6220, 6560, 7380, 7464, 9330, 9840, 9952, 11196, 11808, 12440, 12751, 13995, 14760, 14928, 18660, 19680, 22392, 24880, 25502, 27990, 29520, 29856, 37320, 38253, 44784, 49760, 51004, 55980, 59040, 63755, 74640, 76506, 89568, 102008, 111960, 114759, 127510, 149280, 153012, 191265, 204016, 223920, 229518, 255020, 306024, 382530, 408032, 447840, 459036, 510040, 573795, 612048, 765060, 918072, 1020080, 1147590, 1224096, 1530120, 1836144, 2040160, 2295180, 3060240, 3672288, 4590360, 6120480, 9180720, 18361440]

約数ペア:

[(1, 18361440), (2, 9180720), (3, 6120480), (4, 4590360), (5, 3672288), (6, 3060240), (8, 2295180), (9, 2040160), (10, 1836144), (12, 1530120), (15, 1224096), (16, 1147590), (18, 1020080), (20, 918072), (24, 765060), (30, 612048), (32, 573795), (36, 510040), (40, 459036), (41, 447840), (45, 408032), (48, 382530), (60, 306024), (72, 255020), (80, 229518), (82, 223920), (90, 204016), (96, 191265), (120, 153012), (123, 149280), (144, 127510), (160, 114759), (164, 111960), (180, 102008), (205, 89568), (240, 76506), (246, 74640), (288, 63755), (311, 59040), (328, 55980), (360, 51004), (369, 49760), (410, 44784), (480, 38253), (492, 37320), (615, 29856), (622, 29520), (656, 27990), (720, 25502), (738, 24880), (820, 22392), (933, 19680), (984, 18660), (1230, 14928), (1244, 14760), (1312, 13995), (1440, 12751), (1476, 12440), (1555, 11808), (1640, 11196), (1845, 9952), (1866, 9840), (1968, 9330), (2460, 7464), (2488, 7380), (2799, 6560), (2952, 6220), (3110, 5904), (3280, 5598), (3690, 4976), (3732, 4920), (3936, 4665)]