299880

素因数分解:

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

素因数の和:48

約数の個数: 144

約数和(自身を含む): 1200420

約数和(自身を除く): 900540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 49, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 98, 102, 105, 119, 120, 126, 136, 140, 147, 153, 168, 170, 180, 196, 204, 210, 238, 245, 252, 255, 280, 294, 306, 315, 340, 357, 360, 392, 408, 420, 441, 476, 490, 504, 510, 588, 595, 612, 630, 680, 714, 735, 765, 833, 840, 882, 952, 980, 1020, 1071, 1176, 1190, 1224, 1260, 1428, 1470, 1530, 1666, 1764, 1785, 1960, 2040, 2142, 2205, 2380, 2499, 2520, 2856, 2940, 3060, 3332, 3528, 3570, 4165, 4284, 4410, 4760, 4998, 5355, 5880, 6120, 6664, 7140, 7497, 8330, 8568, 8820, 9996, 10710, 12495, 14280, 14994, 16660, 17640, 19992, 21420, 24990, 29988, 33320, 37485, 42840, 49980, 59976, 74970, 99960, 149940, 299880]

約数ペア:

[(1, 299880), (2, 149940), (3, 99960), (4, 74970), (5, 59976), (6, 49980), (7, 42840), (8, 37485), (9, 33320), (10, 29988), (12, 24990), (14, 21420), (15, 19992), (17, 17640), (18, 16660), (20, 14994), (21, 14280), (24, 12495), (28, 10710), (30, 9996), (34, 8820), (35, 8568), (36, 8330), (40, 7497), (42, 7140), (45, 6664), (49, 6120), (51, 5880), (56, 5355), (60, 4998), (63, 4760), (68, 4410), (70, 4284), (72, 4165), (84, 3570), (85, 3528), (90, 3332), (98, 3060), (102, 2940), (105, 2856), (119, 2520), (120, 2499), (126, 2380), (136, 2205), (140, 2142), (147, 2040), (153, 1960), (168, 1785), (170, 1764), (180, 1666), (196, 1530), (204, 1470), (210, 1428), (238, 1260), (245, 1224), (252, 1190), (255, 1176), (280, 1071), (294, 1020), (306, 980), (315, 952), (340, 882), (357, 840), (360, 833), (392, 765), (408, 735), (420, 714), (441, 680), (476, 630), (490, 612), (504, 595), (510, 588)]