19542240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:393

約数の個数: 144

約数和(自身を含む): 68520816

約数和(自身を除く): 48978576

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, 328, 331, 360, 369, 410, 480, 492, 615, 656, 662, 720, 738, 820, 984, 993, 1230, 1312, 1324, 1440, 1476, 1640, 1655, 1845, 1968, 1986, 2460, 2648, 2952, 2979, 3280, 3310, 3690, 3936, 3972, 4920, 4965, 5296, 5904, 5958, 6560, 6620, 7380, 7944, 9840, 9930, 10592, 11808, 11916, 13240, 13571, 14760, 14895, 15888, 19680, 19860, 23832, 26480, 27142, 29520, 29790, 31776, 39720, 40713, 47664, 52960, 54284, 59040, 59580, 67855, 79440, 81426, 95328, 108568, 119160, 122139, 135710, 158880, 162852, 203565, 217136, 238320, 244278, 271420, 325704, 407130, 434272, 476640, 488556, 542840, 610695, 651408, 814260, 977112, 1085680, 1221390, 1302816, 1628520, 1954224, 2171360, 2442780, 3257040, 3908448, 4885560, 6514080, 9771120, 19542240]

約数ペア:

[(1, 19542240), (2, 9771120), (3, 6514080), (4, 4885560), (5, 3908448), (6, 3257040), (8, 2442780), (9, 2171360), (10, 1954224), (12, 1628520), (15, 1302816), (16, 1221390), (18, 1085680), (20, 977112), (24, 814260), (30, 651408), (32, 610695), (36, 542840), (40, 488556), (41, 476640), (45, 434272), (48, 407130), (60, 325704), (72, 271420), (80, 244278), (82, 238320), (90, 217136), (96, 203565), (120, 162852), (123, 158880), (144, 135710), (160, 122139), (164, 119160), (180, 108568), (205, 95328), (240, 81426), (246, 79440), (288, 67855), (328, 59580), (331, 59040), (360, 54284), (369, 52960), (410, 47664), (480, 40713), (492, 39720), (615, 31776), (656, 29790), (662, 29520), (720, 27142), (738, 26480), (820, 23832), (984, 19860), (993, 19680), (1230, 15888), (1312, 14895), (1324, 14760), (1440, 13571), (1476, 13240), (1640, 11916), (1655, 11808), (1845, 10592), (1968, 9930), (1986, 9840), (2460, 7944), (2648, 7380), (2952, 6620), (2979, 6560), (3280, 5958), (3310, 5904), (3690, 5296), (3936, 4965), (3972, 4920)]