218276940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1664

約数の個数: 192

約数和(自身を含む): 778982400

約数和(自身を除く): 560705460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 51, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 133, 140, 170, 190, 204, 210, 228, 238, 255, 266, 285, 323, 340, 357, 380, 399, 420, 476, 510, 532, 570, 595, 646, 665, 714, 798, 969, 1020, 1140, 1190, 1292, 1330, 1428, 1596, 1609, 1615, 1785, 1938, 1995, 2261, 2380, 2660, 3218, 3230, 3570, 3876, 3990, 4522, 4827, 4845, 6436, 6460, 6783, 7140, 7980, 8045, 9044, 9654, 9690, 11263, 11305, 13566, 16090, 19308, 19380, 22526, 22610, 24135, 27132, 27353, 30571, 32180, 33789, 33915, 45052, 45220, 48270, 54706, 56315, 61142, 67578, 67830, 82059, 91713, 96540, 109412, 112630, 122284, 135156, 135660, 136765, 152855, 164118, 168945, 183426, 191471, 213997, 225260, 273530, 305710, 328236, 337890, 366852, 382942, 410295, 427994, 458565, 519707, 547060, 574413, 611420, 641991, 675780, 765884, 820590, 855988, 917130, 957355, 1039414, 1069985, 1148826, 1283982, 1559121, 1641180, 1834260, 1914710, 2078828, 2139970, 2297652, 2567964, 2598535, 2872065, 3118242, 3209955, 3637949, 3829420, 4279940, 5197070, 5744130, 6236484, 6419910, 7275898, 7795605, 10394140, 10913847, 11488260, 12839820, 14551796, 15591210, 18189745, 21827694, 31182420, 36379490, 43655388, 54569235, 72758980, 109138470, 218276940]

約数ペア:

[(1, 218276940), (2, 109138470), (3, 72758980), (4, 54569235), (5, 43655388), (6, 36379490), (7, 31182420), (10, 21827694), (12, 18189745), (14, 15591210), (15, 14551796), (17, 12839820), (19, 11488260), (20, 10913847), (21, 10394140), (28, 7795605), (30, 7275898), (34, 6419910), (35, 6236484), (38, 5744130), (42, 5197070), (51, 4279940), (57, 3829420), (60, 3637949), (68, 3209955), (70, 3118242), (76, 2872065), (84, 2598535), (85, 2567964), (95, 2297652), (102, 2139970), (105, 2078828), (114, 1914710), (119, 1834260), (133, 1641180), (140, 1559121), (170, 1283982), (190, 1148826), (204, 1069985), (210, 1039414), (228, 957355), (238, 917130), (255, 855988), (266, 820590), (285, 765884), (323, 675780), (340, 641991), (357, 611420), (380, 574413), (399, 547060), (420, 519707), (476, 458565), (510, 427994), (532, 410295), (570, 382942), (595, 366852), (646, 337890), (665, 328236), (714, 305710), (798, 273530), (969, 225260), (1020, 213997), (1140, 191471), (1190, 183426), (1292, 168945), (1330, 164118), (1428, 152855), (1596, 136765), (1609, 135660), (1615, 135156), (1785, 122284), (1938, 112630), (1995, 109412), (2261, 96540), (2380, 91713), (2660, 82059), (3218, 67830), (3230, 67578), (3570, 61142), (3876, 56315), (3990, 54706), (4522, 48270), (4827, 45220), (4845, 45052), (6436, 33915), (6460, 33789), (6783, 32180), (7140, 30571), (7980, 27353), (8045, 27132), (9044, 24135), (9654, 22610), (9690, 22526), (11263, 19380), (11305, 19308), (13566, 16090)]