1438380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 4468464

約数和(自身を除く): 3030084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 131, 180, 183, 244, 262, 305, 366, 393, 524, 549, 610, 655, 732, 786, 915, 1098, 1179, 1220, 1310, 1572, 1830, 1965, 2196, 2358, 2620, 2745, 3660, 3930, 4716, 5490, 5895, 7860, 7991, 10980, 11790, 15982, 23580, 23973, 31964, 39955, 47946, 71919, 79910, 95892, 119865, 143838, 159820, 239730, 287676, 359595, 479460, 719190, 1438380]

約数ペア:

[(1, 1438380), (2, 719190), (3, 479460), (4, 359595), (5, 287676), (6, 239730), (9, 159820), (10, 143838), (12, 119865), (15, 95892), (18, 79910), (20, 71919), (30, 47946), (36, 39955), (45, 31964), (60, 23973), (61, 23580), (90, 15982), (122, 11790), (131, 10980), (180, 7991), (183, 7860), (244, 5895), (262, 5490), (305, 4716), (366, 3930), (393, 3660), (524, 2745), (549, 2620), (610, 2358), (655, 2196), (732, 1965), (786, 1830), (915, 1572), (1098, 1310), (1179, 1220)]