121663890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 337478400

約数和(自身を除く): 215814510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 83, 89, 90, 122, 135, 166, 178, 183, 249, 267, 270, 305, 366, 415, 445, 498, 534, 549, 610, 747, 801, 830, 890, 915, 1098, 1245, 1335, 1494, 1602, 1647, 1830, 2241, 2403, 2490, 2670, 2745, 3294, 3735, 4005, 4482, 4806, 5063, 5429, 5490, 7387, 7470, 8010, 8235, 10126, 10858, 11205, 12015, 14774, 15189, 16287, 16470, 22161, 22410, 24030, 25315, 27145, 30378, 32574, 36935, 44322, 45567, 48861, 50630, 54290, 66483, 73870, 75945, 81435, 91134, 97722, 110805, 132966, 136701, 146583, 151890, 162870, 199449, 221610, 227835, 244305, 273402, 293166, 332415, 398898, 450607, 455670, 488610, 664830, 683505, 732915, 901214, 997245, 1351821, 1367010, 1465830, 1994490, 2253035, 2703642, 4055463, 4506070, 6759105, 8110926, 12166389, 13518210, 20277315, 24332778, 40554630, 60831945, 121663890]

約数ペア:

[(1, 121663890), (2, 60831945), (3, 40554630), (5, 24332778), (6, 20277315), (9, 13518210), (10, 12166389), (15, 8110926), (18, 6759105), (27, 4506070), (30, 4055463), (45, 2703642), (54, 2253035), (61, 1994490), (83, 1465830), (89, 1367010), (90, 1351821), (122, 997245), (135, 901214), (166, 732915), (178, 683505), (183, 664830), (249, 488610), (267, 455670), (270, 450607), (305, 398898), (366, 332415), (415, 293166), (445, 273402), (498, 244305), (534, 227835), (549, 221610), (610, 199449), (747, 162870), (801, 151890), (830, 146583), (890, 136701), (915, 132966), (1098, 110805), (1245, 97722), (1335, 91134), (1494, 81435), (1602, 75945), (1647, 73870), (1830, 66483), (2241, 54290), (2403, 50630), (2490, 48861), (2670, 45567), (2745, 44322), (3294, 36935), (3735, 32574), (4005, 30378), (4482, 27145), (4806, 25315), (5063, 24030), (5429, 22410), (5490, 22161), (7387, 16470), (7470, 16287), (8010, 15189), (8235, 14774), (10126, 12015), (10858, 11205)]