205552920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28081}}^1$

素因数の和:28156

約数の個数: 64

約数和(自身を含む): 626790240

約数和(自身を除く): 421237320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 28081, 56162, 84243, 112324, 140405, 168486, 224648, 280810, 336972, 421215, 561620, 673944, 842430, 1123240, 1684860, 1712941, 3369720, 3425882, 5138823, 6851764, 8564705, 10277646, 13703528, 17129410, 20555292, 25694115, 34258820, 41110584, 51388230, 68517640, 102776460, 205552920]

約数ペア:

[(1, 205552920), (2, 102776460), (3, 68517640), (4, 51388230), (5, 41110584), (6, 34258820), (8, 25694115), (10, 20555292), (12, 17129410), (15, 13703528), (20, 10277646), (24, 8564705), (30, 6851764), (40, 5138823), (60, 3425882), (61, 3369720), (120, 1712941), (122, 1684860), (183, 1123240), (244, 842430), (305, 673944), (366, 561620), (488, 421215), (610, 336972), (732, 280810), (915, 224648), (1220, 168486), (1464, 140405), (1830, 112324), (2440, 84243), (3660, 56162), (7320, 28081)]