79689420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:906

約数の個数: 144

約数和(自身を含む): 264176640

約数和(自身を除く): 184487220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 863, 972, 1026, 1140, 1215, 1539, 1620, 1710, 1726, 2052, 2430, 2565, 2589, 3078, 3420, 3452, 4315, 4617, 4860, 5130, 5178, 6156, 7695, 7767, 8630, 9234, 10260, 10356, 12945, 15390, 15534, 16397, 17260, 18468, 23085, 23301, 25890, 30780, 31068, 32794, 38835, 46170, 46602, 49191, 51780, 65588, 69903, 77670, 81985, 92340, 93204, 98382, 116505, 139806, 147573, 155340, 163970, 196764, 209709, 233010, 245955, 279612, 295146, 327940, 349515, 419418, 442719, 466020, 491910, 590292, 699030, 737865, 838836, 885438, 983820, 1048545, 1328157, 1398060, 1475730, 1770876, 2097090, 2213595, 2656314, 2951460, 3984471, 4194180, 4427190, 5312628, 6640785, 7968942, 8854380, 13281570, 15937884, 19922355, 26563140, 39844710, 79689420]

約数ペア:

[(1, 79689420), (2, 39844710), (3, 26563140), (4, 19922355), (5, 15937884), (6, 13281570), (9, 8854380), (10, 7968942), (12, 6640785), (15, 5312628), (18, 4427190), (19, 4194180), (20, 3984471), (27, 2951460), (30, 2656314), (36, 2213595), (38, 2097090), (45, 1770876), (54, 1475730), (57, 1398060), (60, 1328157), (76, 1048545), (81, 983820), (90, 885438), (95, 838836), (108, 737865), (114, 699030), (135, 590292), (162, 491910), (171, 466020), (180, 442719), (190, 419418), (228, 349515), (243, 327940), (270, 295146), (285, 279612), (324, 245955), (342, 233010), (380, 209709), (405, 196764), (486, 163970), (513, 155340), (540, 147573), (570, 139806), (684, 116505), (810, 98382), (855, 93204), (863, 92340), (972, 81985), (1026, 77670), (1140, 69903), (1215, 65588), (1539, 51780), (1620, 49191), (1710, 46602), (1726, 46170), (2052, 38835), (2430, 32794), (2565, 31068), (2589, 30780), (3078, 25890), (3420, 23301), (3452, 23085), (4315, 18468), (4617, 17260), (4860, 16397), (5130, 15534), (5178, 15390), (6156, 12945), (7695, 10356), (7767, 10260), (8630, 9234)]