66827940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 206861760

約数和(自身を除く): 140033820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 61, 62, 76, 93, 95, 114, 122, 124, 155, 183, 186, 190, 228, 244, 285, 305, 310, 366, 372, 380, 465, 570, 589, 610, 620, 732, 915, 930, 961, 1140, 1159, 1178, 1220, 1767, 1830, 1860, 1891, 1922, 2318, 2356, 2883, 2945, 3477, 3534, 3660, 3782, 3844, 4636, 4805, 5673, 5766, 5795, 5890, 6954, 7068, 7564, 8835, 9455, 9610, 11346, 11532, 11590, 11780, 13908, 14415, 17385, 17670, 18259, 18910, 19220, 22692, 23180, 28365, 28830, 34770, 35340, 35929, 36518, 37820, 54777, 56730, 57660, 58621, 69540, 71858, 73036, 91295, 107787, 109554, 113460, 117242, 143716, 175863, 179645, 182590, 215574, 219108, 234484, 273885, 293105, 351726, 359290, 365180, 431148, 538935, 547770, 586210, 703452, 718580, 879315, 1077870, 1095540, 1113799, 1172420, 1758630, 2155740, 2227598, 3341397, 3517260, 4455196, 5568995, 6682794, 11137990, 13365588, 16706985, 22275980, 33413970, 66827940]

約数ペア:

[(1, 66827940), (2, 33413970), (3, 22275980), (4, 16706985), (5, 13365588), (6, 11137990), (10, 6682794), (12, 5568995), (15, 4455196), (19, 3517260), (20, 3341397), (30, 2227598), (31, 2155740), (38, 1758630), (57, 1172420), (60, 1113799), (61, 1095540), (62, 1077870), (76, 879315), (93, 718580), (95, 703452), (114, 586210), (122, 547770), (124, 538935), (155, 431148), (183, 365180), (186, 359290), (190, 351726), (228, 293105), (244, 273885), (285, 234484), (305, 219108), (310, 215574), (366, 182590), (372, 179645), (380, 175863), (465, 143716), (570, 117242), (589, 113460), (610, 109554), (620, 107787), (732, 91295), (915, 73036), (930, 71858), (961, 69540), (1140, 58621), (1159, 57660), (1178, 56730), (1220, 54777), (1767, 37820), (1830, 36518), (1860, 35929), (1891, 35340), (1922, 34770), (2318, 28830), (2356, 28365), (2883, 23180), (2945, 22692), (3477, 19220), (3534, 18910), (3660, 18259), (3782, 17670), (3844, 17385), (4636, 14415), (4805, 13908), (5673, 11780), (5766, 11590), (5795, 11532), (5890, 11346), (6954, 9610), (7068, 9455), (7564, 8835)]