123658380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 406425600

約数和(自身を除く): 282767220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 83, 89, 90, 93, 108, 124, 135, 155, 166, 178, 180, 186, 249, 267, 270, 279, 310, 332, 356, 372, 415, 445, 465, 498, 534, 540, 558, 620, 747, 801, 830, 837, 890, 930, 996, 1068, 1116, 1245, 1335, 1395, 1494, 1602, 1660, 1674, 1780, 1860, 2241, 2403, 2490, 2573, 2670, 2759, 2790, 2988, 3204, 3348, 3735, 4005, 4185, 4482, 4806, 4980, 5146, 5340, 5518, 5580, 7387, 7470, 7719, 8010, 8277, 8370, 8964, 9612, 10292, 11036, 11205, 12015, 12865, 13795, 14774, 14940, 15438, 16020, 16554, 16740, 22161, 22410, 23157, 24030, 24831, 25730, 27590, 29548, 30876, 33108, 36935, 38595, 41385, 44322, 44820, 46314, 48060, 49662, 51460, 55180, 66483, 69471, 73870, 74493, 77190, 82770, 88644, 92628, 99324, 110805, 115785, 124155, 132966, 138942, 147740, 148986, 154380, 165540, 199449, 221610, 228997, 231570, 248310, 265932, 277884, 297972, 332415, 347355, 372465, 398898, 443220, 457994, 463140, 496620, 664830, 686991, 694710, 744930, 797796, 915988, 997245, 1144985, 1329660, 1373982, 1389420, 1489860, 1994490, 2060973, 2289970, 2747964, 3434955, 3988980, 4121946, 4579940, 6182919, 6869910, 8243892, 10304865, 12365838, 13739820, 20609730, 24731676, 30914595, 41219460, 61829190, 123658380]

約数ペア:

[(1, 123658380), (2, 61829190), (3, 41219460), (4, 30914595), (5, 24731676), (6, 20609730), (9, 13739820), (10, 12365838), (12, 10304865), (15, 8243892), (18, 6869910), (20, 6182919), (27, 4579940), (30, 4121946), (31, 3988980), (36, 3434955), (45, 2747964), (54, 2289970), (60, 2060973), (62, 1994490), (83, 1489860), (89, 1389420), (90, 1373982), (93, 1329660), (108, 1144985), (124, 997245), (135, 915988), (155, 797796), (166, 744930), (178, 694710), (180, 686991), (186, 664830), (249, 496620), (267, 463140), (270, 457994), (279, 443220), (310, 398898), (332, 372465), (356, 347355), (372, 332415), (415, 297972), (445, 277884), (465, 265932), (498, 248310), (534, 231570), (540, 228997), (558, 221610), (620, 199449), (747, 165540), (801, 154380), (830, 148986), (837, 147740), (890, 138942), (930, 132966), (996, 124155), (1068, 115785), (1116, 110805), (1245, 99324), (1335, 92628), (1395, 88644), (1494, 82770), (1602, 77190), (1660, 74493), (1674, 73870), (1780, 69471), (1860, 66483), (2241, 55180), (2403, 51460), (2490, 49662), (2573, 48060), (2670, 46314), (2759, 44820), (2790, 44322), (2988, 41385), (3204, 38595), (3348, 36935), (3735, 33108), (4005, 30876), (4185, 29548), (4482, 27590), (4806, 25730), (4980, 24831), (5146, 24030), (5340, 23157), (5518, 22410), (5580, 22161), (7387, 16740), (7470, 16554), (7719, 16020), (8010, 15438), (8277, 14940), (8370, 14774), (8964, 13795), (9612, 12865), (10292, 12015), (11036, 11205)]