1214820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 3911544

約数和(自身を除く): 2696724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 397, 510, 612, 765, 794, 1020, 1191, 1530, 1588, 1985, 2382, 3060, 3573, 3970, 4764, 5955, 6749, 7146, 7940, 11910, 13498, 14292, 17865, 20247, 23820, 26996, 33745, 35730, 40494, 60741, 67490, 71460, 80988, 101235, 121482, 134980, 202470, 242964, 303705, 404940, 607410, 1214820]

約数ペア:

[(1, 1214820), (2, 607410), (3, 404940), (4, 303705), (5, 242964), (6, 202470), (9, 134980), (10, 121482), (12, 101235), (15, 80988), (17, 71460), (18, 67490), (20, 60741), (30, 40494), (34, 35730), (36, 33745), (45, 26996), (51, 23820), (60, 20247), (68, 17865), (85, 14292), (90, 13498), (102, 11910), (153, 7940), (170, 7146), (180, 6749), (204, 5955), (255, 4764), (306, 3970), (340, 3573), (397, 3060), (510, 2382), (612, 1985), (765, 1588), (794, 1530), (1020, 1191)]