120912090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 329398272

約数和(自身を除く): 208486182

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 73, 78, 93, 130, 137, 146, 155, 186, 195, 219, 274, 310, 365, 390, 403, 411, 438, 465, 685, 730, 806, 822, 930, 949, 1095, 1209, 1370, 1781, 1898, 2015, 2055, 2190, 2263, 2418, 2847, 3562, 4030, 4110, 4247, 4526, 4745, 5343, 5694, 6045, 6789, 8494, 8905, 9490, 10001, 10686, 11315, 12090, 12741, 13578, 14235, 17810, 20002, 21235, 22630, 25482, 26715, 28470, 29419, 30003, 33945, 42470, 50005, 53430, 55211, 58838, 60006, 63705, 67890, 88257, 100010, 110422, 127410, 130013, 147095, 150015, 165633, 176514, 260026, 276055, 294190, 300030, 310031, 331266, 390039, 441285, 552110, 620062, 650065, 780078, 828165, 882570, 930093, 1300130, 1550155, 1656330, 1860186, 1950195, 3100310, 3900390, 4030403, 4650465, 8060806, 9300930, 12091209, 20152015, 24182418, 40304030, 60456045, 120912090]

約数ペア:

[(1, 120912090), (2, 60456045), (3, 40304030), (5, 24182418), (6, 20152015), (10, 12091209), (13, 9300930), (15, 8060806), (26, 4650465), (30, 4030403), (31, 3900390), (39, 3100310), (62, 1950195), (65, 1860186), (73, 1656330), (78, 1550155), (93, 1300130), (130, 930093), (137, 882570), (146, 828165), (155, 780078), (186, 650065), (195, 620062), (219, 552110), (274, 441285), (310, 390039), (365, 331266), (390, 310031), (403, 300030), (411, 294190), (438, 276055), (465, 260026), (685, 176514), (730, 165633), (806, 150015), (822, 147095), (930, 130013), (949, 127410), (1095, 110422), (1209, 100010), (1370, 88257), (1781, 67890), (1898, 63705), (2015, 60006), (2055, 58838), (2190, 55211), (2263, 53430), (2418, 50005), (2847, 42470), (3562, 33945), (4030, 30003), (4110, 29419), (4247, 28470), (4526, 26715), (4745, 25482), (5343, 22630), (5694, 21235), (6045, 20002), (6789, 17810), (8494, 14235), (8905, 13578), (9490, 12741), (10001, 12090), (10686, 11315)]