812509020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73999}}^1$

素因数の和:74075

約数の個数: 72

約数和(自身を含む): 2505048000

約数和(自身を除く): 1692538980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 73999, 147998, 221997, 295996, 369995, 443994, 665991, 739990, 887988, 1109985, 1331982, 1479980, 2219970, 2663964, 3329955, 4439940, 4513939, 6659910, 9027878, 13319820, 13541817, 18055756, 22569695, 27083634, 40625451, 45139390, 54167268, 67709085, 81250902, 90278780, 135418170, 162501804, 203127255, 270836340, 406254510, 812509020]

約数ペア:

[(1, 812509020), (2, 406254510), (3, 270836340), (4, 203127255), (5, 162501804), (6, 135418170), (9, 90278780), (10, 81250902), (12, 67709085), (15, 54167268), (18, 45139390), (20, 40625451), (30, 27083634), (36, 22569695), (45, 18055756), (60, 13541817), (61, 13319820), (90, 9027878), (122, 6659910), (180, 4513939), (183, 4439940), (244, 3329955), (305, 2663964), (366, 2219970), (549, 1479980), (610, 1331982), (732, 1109985), (915, 887988), (1098, 739990), (1220, 665991), (1830, 443994), (2196, 369995), (2745, 295996), (3660, 221997), (5490, 147998), (10980, 73999)]