157215720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 485274240

約数和(自身を除く): 328058520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 131, 137, 146, 219, 262, 274, 292, 365, 393, 411, 438, 524, 548, 584, 655, 685, 730, 786, 822, 876, 1048, 1095, 1096, 1310, 1370, 1460, 1572, 1644, 1752, 1965, 2055, 2190, 2620, 2740, 2920, 3144, 3288, 3930, 4110, 4380, 5240, 5480, 7860, 8220, 8760, 9563, 10001, 15720, 16440, 17947, 19126, 20002, 28689, 30003, 35894, 38252, 40004, 47815, 50005, 53841, 57378, 60006, 71788, 76504, 80008, 89735, 95630, 100010, 107682, 114756, 120012, 143445, 143576, 150015, 179470, 191260, 200020, 215364, 229512, 240024, 269205, 286890, 300030, 358940, 382520, 400040, 430728, 538410, 573780, 600060, 717880, 1076820, 1147560, 1200120, 1310131, 2153640, 2620262, 3930393, 5240524, 6550655, 7860786, 10481048, 13101310, 15721572, 19651965, 26202620, 31443144, 39303930, 52405240, 78607860, 157215720]

約数ペア:

[(1, 157215720), (2, 78607860), (3, 52405240), (4, 39303930), (5, 31443144), (6, 26202620), (8, 19651965), (10, 15721572), (12, 13101310), (15, 10481048), (20, 7860786), (24, 6550655), (30, 5240524), (40, 3930393), (60, 2620262), (73, 2153640), (120, 1310131), (131, 1200120), (137, 1147560), (146, 1076820), (219, 717880), (262, 600060), (274, 573780), (292, 538410), (365, 430728), (393, 400040), (411, 382520), (438, 358940), (524, 300030), (548, 286890), (584, 269205), (655, 240024), (685, 229512), (730, 215364), (786, 200020), (822, 191260), (876, 179470), (1048, 150015), (1095, 143576), (1096, 143445), (1310, 120012), (1370, 114756), (1460, 107682), (1572, 100010), (1644, 95630), (1752, 89735), (1965, 80008), (2055, 76504), (2190, 71788), (2620, 60006), (2740, 57378), (2920, 53841), (3144, 50005), (3288, 47815), (3930, 40004), (4110, 38252), (4380, 35894), (5240, 30003), (5480, 28689), (7860, 20002), (8220, 19126), (8760, 17947), (9563, 16440), (10001, 15720)]