305550180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7681}}^1$

素因数の和:7726

約数の個数: 144

約数和(自身を含む): 1056981744

約数和(自身を除く): 751431564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7681, 7956, 9945, 13260, 15362, 19890, 23043, 30724, 38405, 39780, 46086, 69129, 76810, 92172, 99853, 115215, 130577, 138258, 153620, 199706, 230430, 261154, 276516, 299559, 345645, 391731, 399412, 460860, 499265, 522308, 599118, 652885, 691290, 783462, 898677, 998530, 1175193, 1198236, 1305770, 1382580, 1497795, 1566924, 1697501, 1797354, 1958655, 1997060, 2350386, 2611540, 2995590, 3395002, 3594708, 3917310, 4493385, 4700772, 5092503, 5875965, 5991180, 6790004, 7834620, 8487505, 8986770, 10185006, 11751930, 15277509, 16975010, 17973540, 20370012, 23503860, 25462515, 30555018, 33950020, 50925030, 61110036, 76387545, 101850060, 152775090, 305550180]

約数ペア:

[(1, 305550180), (2, 152775090), (3, 101850060), (4, 76387545), (5, 61110036), (6, 50925030), (9, 33950020), (10, 30555018), (12, 25462515), (13, 23503860), (15, 20370012), (17, 17973540), (18, 16975010), (20, 15277509), (26, 11751930), (30, 10185006), (34, 8986770), (36, 8487505), (39, 7834620), (45, 6790004), (51, 5991180), (52, 5875965), (60, 5092503), (65, 4700772), (68, 4493385), (78, 3917310), (85, 3594708), (90, 3395002), (102, 2995590), (117, 2611540), (130, 2350386), (153, 1997060), (156, 1958655), (170, 1797354), (180, 1697501), (195, 1566924), (204, 1497795), (221, 1382580), (234, 1305770), (255, 1198236), (260, 1175193), (306, 998530), (340, 898677), (390, 783462), (442, 691290), (468, 652885), (510, 599118), (585, 522308), (612, 499265), (663, 460860), (765, 399412), (780, 391731), (884, 345645), (1020, 299559), (1105, 276516), (1170, 261154), (1326, 230430), (1530, 199706), (1989, 153620), (2210, 138258), (2340, 130577), (2652, 115215), (3060, 99853), (3315, 92172), (3978, 76810), (4420, 69129), (6630, 46086), (7681, 39780), (7956, 38405), (9945, 30724), (13260, 23043), (15362, 19890)]