156915220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 423642240

約数和(自身を除く): 266727020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 59, 70, 77, 110, 118, 121, 140, 154, 157, 220, 236, 242, 295, 308, 314, 385, 413, 484, 590, 605, 628, 649, 770, 785, 826, 847, 1099, 1180, 1210, 1298, 1540, 1570, 1652, 1694, 1727, 2065, 2198, 2420, 2596, 3140, 3245, 3388, 3454, 4130, 4235, 4396, 4543, 5495, 6490, 6908, 7139, 8260, 8470, 8635, 9086, 9263, 10990, 12089, 12980, 14278, 16940, 17270, 18172, 18526, 18997, 21980, 22715, 24178, 28556, 34540, 35695, 37052, 37994, 45430, 46315, 48356, 49973, 60445, 64841, 71390, 75988, 90860, 92630, 94985, 99946, 101893, 120890, 129682, 132979, 142780, 185260, 189970, 199892, 203786, 241780, 249865, 259364, 265958, 324205, 379940, 407572, 499730, 509465, 531916, 648410, 664895, 713251, 999460, 1018930, 1120823, 1296820, 1329790, 1426502, 2037860, 2241646, 2659580, 2853004, 3566255, 4483292, 5604115, 7132510, 7845761, 11208230, 14265020, 15691522, 22416460, 31383044, 39228805, 78457610, 156915220]

約数ペア:

[(1, 156915220), (2, 78457610), (4, 39228805), (5, 31383044), (7, 22416460), (10, 15691522), (11, 14265020), (14, 11208230), (20, 7845761), (22, 7132510), (28, 5604115), (35, 4483292), (44, 3566255), (55, 2853004), (59, 2659580), (70, 2241646), (77, 2037860), (110, 1426502), (118, 1329790), (121, 1296820), (140, 1120823), (154, 1018930), (157, 999460), (220, 713251), (236, 664895), (242, 648410), (295, 531916), (308, 509465), (314, 499730), (385, 407572), (413, 379940), (484, 324205), (590, 265958), (605, 259364), (628, 249865), (649, 241780), (770, 203786), (785, 199892), (826, 189970), (847, 185260), (1099, 142780), (1180, 132979), (1210, 129682), (1298, 120890), (1540, 101893), (1570, 99946), (1652, 94985), (1694, 92630), (1727, 90860), (2065, 75988), (2198, 71390), (2420, 64841), (2596, 60445), (3140, 49973), (3245, 48356), (3388, 46315), (3454, 45430), (4130, 37994), (4235, 37052), (4396, 35695), (4543, 34540), (5495, 28556), (6490, 24178), (6908, 22715), (7139, 21980), (8260, 18997), (8470, 18526), (8635, 18172), (9086, 17270), (9263, 16940), (10990, 14278), (12089, 12980)]