2548980

素因数分解:

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

素因数の和:63

約数の個数: 162

約数和(自身を含む): 9554454

約数和(自身を除く): 7005474

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 170, 180, 196, 204, 210, 238, 245, 252, 255, 289, 294, 306, 315, 340, 357, 420, 441, 476, 490, 510, 578, 588, 595, 612, 630, 714, 735, 765, 833, 867, 882, 980, 1020, 1071, 1156, 1190, 1260, 1428, 1445, 1470, 1530, 1666, 1734, 1764, 1785, 2023, 2142, 2205, 2380, 2499, 2601, 2890, 2940, 3060, 3332, 3468, 3570, 4046, 4165, 4284, 4335, 4410, 4998, 5202, 5355, 5780, 6069, 7140, 7497, 8092, 8330, 8670, 8820, 9996, 10115, 10404, 10710, 12138, 12495, 13005, 14161, 14994, 16660, 17340, 18207, 20230, 21420, 24276, 24990, 26010, 28322, 29988, 30345, 36414, 37485, 40460, 42483, 49980, 52020, 56644, 60690, 70805, 72828, 74970, 84966, 91035, 121380, 127449, 141610, 149940, 169932, 182070, 212415, 254898, 283220, 364140, 424830, 509796, 637245, 849660, 1274490, 2548980]

約数ペア:

[(1, 2548980), (2, 1274490), (3, 849660), (4, 637245), (5, 509796), (6, 424830), (7, 364140), (9, 283220), (10, 254898), (12, 212415), (14, 182070), (15, 169932), (17, 149940), (18, 141610), (20, 127449), (21, 121380), (28, 91035), (30, 84966), (34, 74970), (35, 72828), (36, 70805), (42, 60690), (45, 56644), (49, 52020), (51, 49980), (60, 42483), (63, 40460), (68, 37485), (70, 36414), (84, 30345), (85, 29988), (90, 28322), (98, 26010), (102, 24990), (105, 24276), (119, 21420), (126, 20230), (140, 18207), (147, 17340), (153, 16660), (170, 14994), (180, 14161), (196, 13005), (204, 12495), (210, 12138), (238, 10710), (245, 10404), (252, 10115), (255, 9996), (289, 8820), (294, 8670), (306, 8330), (315, 8092), (340, 7497), (357, 7140), (420, 6069), (441, 5780), (476, 5355), (490, 5202), (510, 4998), (578, 4410), (588, 4335), (595, 4284), (612, 4165), (630, 4046), (714, 3570), (735, 3468), (765, 3332), (833, 3060), (867, 2940), (882, 2890), (980, 2601), (1020, 2499), (1071, 2380), (1156, 2205), (1190, 2142), (1260, 2023), (1428, 1785), (1445, 1764), (1470, 1734), (1530, 1666)]